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Thesis Statement Essays Examples

Smodin Editorial Team
Updated: August 30, 2024
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Writing an essay can seem challenging, but a solid thesis statement can make it easier. A thesis statement is a crucial part of any essay. It gives your reader a clear understanding of your main idea. The goal should be to deliver a strong, concise, yet compelling statement that immerses the reader in your writing. A strong thesis statement means a strong start to your essay !

We’ve developed this comprehensive guide to explore what makes a good thesis statement. We’ll discuss different thesis statement essay examples and show you steps on how to write a strong statement. Whether you’re writing a research paper, argumentative essay, or policy proposal, a solid thesis statement is key.

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What Is a Thesis Statement?

To put it simply, a thesis statement summarizes your entire paper. It usually appears at the end of the first paragraph, known as the essay introduction. Your thesis should be specific, concise, and clear.

It should express one main idea and guide your writing. For example, if your paper explains climate change, your thesis might assert that “Climate change poses a significant threat to global ecosystems.”

How To Write a Thesis Statement: Example and What To Include

In this section, we include how to write a thesis statement with an example to help you out in the process. Below, we have listed some of the steps involved, while compiling a thesis statement.

Start With a Question

Every good thesis statement starts with a question. Think about what you want to explore or decide about your topic. For example, “Has the internet had a positive or negative impact on education?”

Write Your Initial Answer

After some research, write a simple, tentative answer to your question. This will guide your research and writing process. For example, “The internet has had a positive impact on education.”

Refine Your Thesis Statement

Your final thesis should ultimately tell the reader why you hold this position. You can elaborate and explain what they’ll learn from your essay and the key points of your argument.

For example, “The internet’s positive impact on education outweighs its negatives by providing easier access to information. Exposure to different perspectives and a flexible learning environment for students and teachers contributes to this”.

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A Good Thesis Statement Example

A good thesis statement is concise, coherent, and contentious. It should clearly state your main idea and be backed up by specific evidence. Take a look at the following good thesis statement example:

“While many people believe climate change is a natural phenomenon, evidence shows that human activities significantly contribute to its acceleration.”

This statement is clear, concise, and debatable. It presents a strong position that can be supported with evidence.

Types of Thesis Statements

Your thesis should match the type of essay you’re writing. Here are some examples of different types of thesis statements.

Argumentative Thesis Statement

In an argumentative essay , your thesis should take a strong position.

For example:

“The government should implement stricter regulations on carbon emissions to combat climate change.”

An argumentative paper makes a clear, debatable claim that requires evidence and reasoning. This thesis presents a clear argument that will be supported with evidence throughout the essay.

Expository Thesis Statement

In an expository essay , your thesis should explain the facts of a topic or process.

“The invention of braille improved the lives of blind people by allowing them to read and write independently.”

This statement explains the impact of braille without taking a position.

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Thesis Statement Essay Examples for Different Types of Papers

Let’s look at some thesis statement essay examples to understand how to craft one effectively.

Example 1: Argumentative Paper

Topic: The impact of surveillance on society

Thesis statement: “Although surveillance is often viewed negatively, its positive effects on public safety outweigh its downsides.”

This thesis presents a clear argument that will be supported with evidence throughout the essay.

Example 2: Expository Paper

Topic: The history of the internet

Thesis statement: “The internet revolutionized communication by allowing instant access to information and connecting people globally.”

This statement explains how the internet has changed communication without presenting an argument.

In both examples, the thesis statements are clear and concise, and provide a roadmap for the essay.

Example 3: Analytical Paper

Topic: The impact of social media on mental health

Thesis statement: “Social media influences mental health by increasing anxiety, promoting unrealistic body images, and enhancing social connections.”

An analytical thesis statement breaks down an idea into parts to examine and interpret. This example shows the impact of social media into specific components for detailed analysis. An analytical paper breaks complex subjects into components for detailed examination and analysis.

Characteristics of a Good Thesis Statement

An effective thesis statement is the backbone of a well-structured essay. Thesis statement examples help illustrate the differences between strong and weak thesis statements. Here are the essential characteristics of a good thesis statement.

Concise Summary

The best thesis statements should be brief and to the point. Avoid unnecessary words. For instance, instead of saying, “In this essay, I will discuss the reasons why climate change is a critical issue that needs urgent attention,” you can say, “Climate change demands urgent attention due to its severe impact on global ecosystems.” This keeps your thesis clear and focused.

The aim is to bring the statement to the concluding point as effectively as possible.

Specific Evidence

In academic writing, your thesis statement should be backed up by specific evidence. It should not just make a claim but also provide a hint of the evidence that supports it. For example, “Human activities, such as deforestation and fossil fuel consumption, significantly contribute to climate change,” indicates that the essay will discuss these specific activities.

A strong thesis statement clearly states your main idea. It should convey the central point of your essay in a way that is easy to understand. For example, “Renewable energy sources are essential for reducing carbon emissions and combating climate change,” clearly states the essay’s main idea.

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3 Common Mistakes to Avoid

According to the Guardian , teachers are observing that students are continuously having issues with writing essays. This may be due to various reasons like a lack of foundational skills in writing or the likelihood of them making specific mistakes when compiling their essays and thesis statements.

Below we have listed some of the common errors students can make when writing a thesis statement for their paper.

1. Being Too Broad

A thesis statement that is too broad lacks focus and fails to provide a clear argument. For example: “Climate change is bad,” is too broad. Instead, narrow your focus to something more specific, like, “Climate change significantly impacts coastal cities by increasing the frequency of flooding.”

2. Not Getting Into Specifics

A vague thesis statement doesn’t give specific details, making it difficult for the reader to understand your argument. For example, “Climate change affects the environment,” is too vague. A more precise thesis would be, “Climate change accelerates the melting of polar ice caps, leading to rising sea levels.”

3. Just Stating a Fact

In a great research paper, a thesis statement that states a fact rather than an argument is not debatable. For example, “Climate change exists,” is a statement of fact and not arguable. A more debatable thesis would be, “Immediate action is required to mitigate climate change impacts on future generations.”

How To Strengthen a Weak Thesis Statement

If your thesis statement is weak, here is how you can strengthen it:

Contextualize your topic: Understand the broader context of your topic. This helps in narrowing down the focus and making it more specific.
Make it arguable: Ensure your thesis is something that can be debated. A strong thesis often takes a clear stance on an issue.
Support with evidence: Be prepared to back up your thesis with specific evidence. This adds credibility and strength to your statement.

Example of a Weak Thesis

A weak thesis statement, such as “The internet is useful,” is too general and lacks specificity. It doesn’t provide any direction for the essay, leaving readers unclear about what the essay will address. A weak thesis statement:

Lacks focus: The statement “The internet is useful” doesn’t specify how or why the internet is useful. This lack of focus can confuse readers and make it challenging to develop supporting arguments.
Is not honing in on a specific topic: This thesis is overly broad, covering too many potential topics without honing in on a specific aspect.
Doesn’t leave room for a debate: It doesn’t present a debatable claim. A strong thesis should make a claim that others might dispute, providing a basis for argumentation and discussion.

For instance, an essay based on the weak thesis “The internet is useful” could meander through various topics like online shopping, social media, and research, without a clear structure or argument. This makes it difficult for readers to grasp the main point or purpose of the essay.

Example of a Strong Thesis

A strong thesis statement, like “The internet is useful for education because it provides access to a wealth of information and resources,” is specific and provides a clear argument supported by evidence. It also indicates what the essay will discuss, which helps guide the reader.

Therefore, a strong thesis statement should:

Have a clear focus: This thesis specifies that the essay will focus on the educational benefits of the internet. This clarity helps readers understand the essay’s purpose from the beginning.
Be to the point: The thesis mentions “access to a wealth of information and resources.” So, it provides a specific angle on how the internet is useful, which helps to narrow the scope of the essay.
Include a debatable claim: The statement makes a claim that could be argued. It posits that the internet is beneficial for education. But, it also implies that there are specific ways in which this is true. Thus, the statement opens the door for discussion and analysis.
Guide the essay: This strong thesis provides a roadmap for the essay. It suggests that the following paragraphs will explore how the internet facilitates education through information access and resource availability.

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Frequently Asked Questions

What is included in a thesis statement.

A thesis statement is a sentence that summarizes the main point of your essay. It usually appears at the end of the first paragraph.

Can a thesis statement be more than one sentence?

Ideally, a thesis statement should be one or two sentences long.

Where should I place my thesis statement?

Your thesis statement should be at the end of the first paragraph, known as the essay introduction.

Improve Your Thesis Statements With Smodin.io

A good thesis statement is the backbone of your essay. It guides your writing and tells your reader what to expect. By following the steps we’ve outlined in these examples, you can write a strong thesis statement.

Ready to improve your writing skills and create compelling essays? Enhance your writing with Smodin’s AI writing tool. Whether you’re writing a research paper or an argumentative essay, Smodin can help you craft a strong thesis statement. Join us now at Smodin.io and take your writing to the next level.

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Yale Climate Connections

When will climate change turn life in the U.S. upside down?

Jump to a section of this essay

What is a dangerous level of climate change, climate change’s impacts will be highly asymmetric, an immediate u.s. climate change threat: an insurance crisis, a second potential immediate u.s. climate change threat: a global food shock, “black swan” and “gray swan” extreme weather events, a “new normal” of extreme weather has not yet arrived, longer-range concerns: global catastrophic risk events, devastating impacts from climate change are accelerating, paleolithic emotions, medieval institutions, and godlike technology, hope for the future via ‘cathedral thinking’.

Although there is a major climate change hurricane approaching, we’re busy throwing a hurricane party , charging up our planetary credit card to pay for the expenses, with little regard to the approaching storm that is already cutting off our escape routes. This great storm will fundamentally rip at the fabric of society, creating chaos and a crisis likely to last for many decades.

The intensifying climate change storm will soon reach a threshold I think of as a category 1 hurricane for humanity — when long-term global warming surpasses 1.5 degrees Celsius above preindustrial temperatures, a value increasingly characterized over the last decade as “dangerous” climate change .

For humanity as a whole, this amount of warming is risky, but not devastating. Global warming is currently at about 1.2-1.3 degrees Celsius above preindustrial temperatures and is likely to cross the 1.5-degree threshold in the late 2020s or early 2030s .

Assuming that we don’t work exceptionally hard to reduce emissions in the next 10 years, the world is expected to reach 2 degrees Celsius of warming between 2045 and 2051. In my estimation, that will be akin to a major category 3 hurricane for humanity — devastating, but not catastrophic.

Allowing global warming to exceed 2.5 degrees Celsius will cause category 4-level damage to civilization — approaching the catastrophic level. And warming in excess of 3 degrees Celsius will likely be a catastrophic category 5-level superstorm of destruction that will crash civilization.

We must take strong action rapidly to rein in our emissions of heat-trapping gases to avoid that outcome — and build great resilience to the extreme climate of the 21st century that we have so foolishly brought upon ourselves.

According to the Carbon Action Tracker (see tweet below), we are on track for 2.7 degrees Celsius of warming; if the nations of the world meet their targets for reducing heat-trapping climate pollution, warming will be limited to 2.1 degrees. There’s a big difference between being hit by a Cat 4 versus a Cat 3, and every tenth of a degree of warming that we prevent will be critical.

Two years on from Glasgow and our warming estimates for government action have barely moved. Governments appear oblivious to the extreme events of the past year, somehow thinking treading water will deal with the flood of impacts? https://t.co/fbM4xY9OJe pic.twitter.com/MekGIeU1Z3 — ClimateActionTracker (@climateactiontr) December 5, 2023

As climate scientist Michael Mann explains in his latest book, “ Our Fragile Moment ,” great climate science communicator Stephen Schneider once said, “The ‘end of the world’ or ‘good for you’ are the two least likely among the spectrum of potential [climate] outcomes.” So forget sci-fi depictions of planetary apocalypse. That will not be our long-term climate change fate.

But the impacts of climate change will be apocalyptic for many nations and people — particularly those that are not rich and White. People and communities with the least resources tend to be the first and hardest hit by climate change , not only because poorer people and communities are inherently more vulnerable to the impacts of any disaster, but also because the extremes induced by climate change tend to be worse in the tropics and subtropics, home to many poor nations.

In the U.S., climate change has already turned life upside down for numerous communities. For example, in North Carolina, the financially strapped, Black-majority towns of Fair Bluff and Princeville are in danger of abandonment from hurricane-related flooding (from Hurricane Floyd in 1999, Matthew in 2016, and Florence in 2018). Seven Springs, North Carolina (population 207 in 1960, now just 55) is largely abandoned.

Climate change was a key contributor to these floods; a 2021 study found that about one-third of the cost of major U.S. flood events since 1988, totaling $79 billion, could be attributed to climate change. And for the town of Paradise, California — utterly destroyed by the devastating Camp Fire of 2018, which killed 85 and caused over $16 billion in damage — climate change has been apocalyptic.

In the U.S., the most likely major economic disruption from climate change over the next few years might well be a collapse of the housing market in flood-prone and wildfire-prone states. Billion-dollar weather disasters — which cause about 76% of all weather-related damages — have steadily increased in number and expense in recent years and would be even worse were it not for improved weather forecasts and better building codes. The recent increase in weather-disaster losses has brought on an insurance crisis — especially in Florida , Louisiana , California , and Texas — which threatens one of the bedrocks of the U.S. economy, the housing and real estate market.

In California, the insurer of last resort, the FAIR plan, had only about $250 million in cash on hand as of March 2024.

“One major fire near Lake Arrowhead, where the Plan holds $8 billion in policies, would plunge the whole scheme into insolvency,” observed Harvard’s Susan Crawford, author of “Charleston: Race, Water, and the Coming Storm.”

It is widely acknowledged that higher weather disaster losses result primarily from an increase in exposure : more people with more stuff moving into vulnerable places, including those at risk of floods. Martin Bertogg, Swiss Re’s head of catastrophic peril, said in a 2022 AP interview that two-thirds, perhaps more, of the recent rise in weather-related disaster losses is the result of more people and things in harm’s way.

But this balance will likely shift in the coming decades. Increased exposure will continue to drive increased weather disaster losses, but the fractional contribution of climate change to disaster losses — at least for wildfire, hurricane, and flood disasters — is likely to increase rapidly, making the insurance crisis accelerate.

County-level property overvaluation in the U.S. from flood risk

A 2023 study (Fig. 2) drew attention to a massive real estate bubble in the U.S.: the vast number of properties whose purported value doesn’t account for the true costs of floods. The study estimated that across the U.S., residential properties are overvalued by a total of $121-$237 billion under current flood risks. This bubble will likely continue to grow as sea levels rise, storms dump heavier rains, and unwise risky development continues.

Likewise, U.S. properties at risk of wildfires are collectively overvalued by about $317 billion, according to David Burt , a financial guru who foresaw the 2008 subprime mortgage crisis. Insurers are already pulling out of the areas most at risk, threatening to make property ownership too expensive for millions and posing a serious threat to the economically critical real estate industry.

Climate futurist Alex Steffen has described the climate change-worsened real estate bubble this way:

As awareness of risk grows, the financial value of risky places drops. Where meeting that risk is more expensive than decision-makers think a place is worth, it simply won’t be defended. It will be unofficially abandoned. That will then create more problems. Bonds for big projects, loans, and mortgages, business investment, insurance, talented workers — all will grow more scarce. Then, value will crash, a phenomenon I call the Brittleness Bubble .

Something brittle is prone to a sudden, catastrophic failure and cannot easily be repaired once broken. The popping of the real estate Brittleness Bubble will potentially trigger panic selling and a housing market collapse like a miniature version of the Great Financial Crisis of 2008 but focused on the 20% of American homes in wildfire and flood risk zones. In his 2023 Congressional testimony , Burt estimated that a wildfire and flood-induced repricing of risk of the U.S. housing market could have a quarter to half the impact of the 2008 Great Financial Crisis.

However, the 2008 crisis was relatively short-lived, as fixes to the financial system and a massive federal bailout led to a rebound in property values after a few years. A climate change-induced housing crisis will likely be resistant to a similar fix because the underlying cause will worsen: Sea levels will continue to rise, flooding heavy rains will intensify, and wildfires will grow more severe, increasing risk.

Science writer Eugene Linden wrote in 2023, “as we saw in 2008, a housing crisis can quickly morph into a systemic financial crisis because banks own most of the value, and thus the risk, in housing and commercial real estate.”

Crawford of Harvard recently wrote : “Because insurance can help communities and households recover more quickly from disasters, and because so much of the U.S. economy is driven by spending on housing, the inaccessibility and unaffordability of insurance poses a threat to the stability of the entire economy.”

As Sen. Sheldon Whitehouse , a Democrat from Rhode Island, said earlier this year, “The thing about economic crises is that they come on slowly, until they come on fast.”

How the insurance crisis may play out: the “Wholly irrational and completely ad-hoc pirate capitalism” solution

In his blunt 2023 essay, “ Insurance Politics at the End of the World ,” journalist Hamilton Nolan offers these thoughts on the potential ways this climate change-induced insurance crisis could be addressed:

The rational capitalism solution here is: We accurately price your risk and that risk becomes unaffordable and people move away from areas that are stupid to live in and therefore climate adaptation is achieved. The rational socialism solution is: We collectively embrace the idea that we need to adapt to climate change and the federal government creates long-term programs that incentivize moving away from areas that are stupid to live in and disincentivize “build as much crap in South Florida flood zones as you can now to take advantage of the real estate bubble” and generally cushion the economic blow for all the people whose lives will have to change. The path we are on today, though — the path that our current political system makes likely — is the path of Wholly Irrational and Completely Ad-Hoc Pirate Capitalism: Increasing climate change-induced disasters cause panic among homeowners as a class; politicians rush to grab dollars to enable everyone to live the same as they are now for as long as possible; and eventually the whole thing crashes into the wall of reality in a way that causes uncontainable, national pain rather than just the specific, regional, temporary pain of the smarter solutions.

When will the Brittleness Bubble pop?

When might this “crash into the wall of reality” happen and the Brittleness Bubble pop? Politicians are working extremely hard to keep their jobs by delaying this day of reckoning, artificially limiting insurance rate rises and offering state-run insurance plans of last resort. This approach — the equivalent of giving a blood transfusion to the injured, without stopping the bleeding — does not fix the underlying problem and all but guarantees that the pain of the eventual national reckoning will be much larger. Insurance is designed to transfer risk, but risk is rising everywhere.

As the hurricane season is set to begin soon and wildfire risk gradually increasing, private insurers in some states are fleeing areas considered at high risk. It's leaving so-called "residual," or last resort plans, to pick up the tab. https://t.co/3sxv9m0FOS pic.twitter.com/YTkZ9OlJE3 — Axios (@axios) May 10, 2024

Crawford addressed the issue in a 2024 essay, “ Who ends up holding the bag when risky real estate markets collapse? ” Citing financial guru Burt, she concluded: “2025 or 2026 is when things give way and it becomes very difficult to offload houses and buildings in risky places where mortgages are suddenly hard to get, much less insurance.” When asked in an interview with Marketplace if the market is due for another correction, as homeowners in places with growing risk of flooding and wildfire have to pay more for insurance, Burt said:

This is actually happening right now and is probably going to happen over the next three to five years, like a full reckoning of these new costs for 15 or 20% of the homes in the U.S. … If all their equity is already gone [because of lowered property values], their costs are going up a ton, they can barely afford it, that’s when people walk away.

In the same Marketplace story, though, Ben Keys, a professor of real estate and finance at the University of Pennsylvania’s Wharton School, said, “The idea that we would expect there to be a huge wave of defaults or delinquencies feels relatively unlikely.”

But like Burt, climate change futurist Steffen predicts the real estate Brittleness Bubble will pop within five years (10 at the most).

I suspect we're less than 5 years away from a prolonged surge of value loss in real estate assets based on risk, insurability, economic brittleness and local capacities to ruggedize (or not). That kind of devaluation will echo through the whole economy. https://t.co/Qs0zyMS38g — Alex Steffen (@AlexSteffen) May 21, 2024

This reckoning could come sooner for Florida if another $100-billion hurricane hits. The Florida insurance and coastal property market did manage to withstand the $117-billion cost of Category 4 Hurricane Ian of 2022, but another blow like that might well cause a severe downward spiral in the Florida real estate market from which it might never fully recover. This vulnerability was underscored by Florida Gov. DeSantis during a 2023 radio interview with a Boston host, when DeSantis suggested homeowners should “ knock on wood ” and hope the state didn’t get hit by a hurricane in 2024.

But “knocking on wood” is not an effective climate adaptation strategy for Florida. Because of climate change, Mother Nature is now able to whip heavier bowling balls with more devastating impact down Hurricane Alley. It’s only a matter of time before she hurls a strike into a major Florida city, causing an intensified coastal real estate and insurance crisis. And the odds of such a strike are higher than average in 2024 because of record-warm ocean temperatures in the tropical Atlantic, combined with a developing La Niña event.

Watch out for increased coastal flooding in the mid-2030s

We may manage to avoid a coastal real estate market crash in the next 10 years if we get lucky with hurricanes and if our politicians continue to pump huge amounts of money to bail out the failing system.

But it will become increasingly difficult to keep the coastal property market propped up beginning in the mid-2030s, because of accelerating sea level rise combined with an 18.6-year wobble in the moon’s orbit. Thus, I expect that the longest we might stave off the popping of the coastal real estate Brittleness Bubble is 15 years.

As I wrote in my 2023 post, 30 great tools to determine your flood risk in the U.S. , beginning in 2033, the moon will be in a position favorable for bringing higher tides to locations where one high tide and low tide per day dominate. This will bring a rapid increase in high tide flooding to the coasts of the Gulf of Mexico, the Southeast, the West Coast, and Hawaii. This expected acceleration in the mid-2030s is obvious for St. Petersburg (Fig. 3), plotted using NASA’s Flooding Analysis Tool and Flooding Days Projection Tool . The rapid acceleration in coastal flooding simultaneously along a huge swathe of heavily developed U.S. coast in the mid-2030s will be sure to significantly stress the coastal housing market. And according to the Coastal Flood Resilience Project , the nation is flying blind on the possible impacts: There are no national assessments of the potential loss of major, critical infrastructure assets to coastal storms and rising seas.

Another immediate danger: a series of global extreme weather events affecting agriculture, causing global economic turmoil.

In my 2024 post, “ What are the odds that extreme weather will lead to a global food shock? ” I reviewed a 2023 report by insurance giant Lloyd’s, which modeled the odds of a globally disruptive extreme food shock event bringing simultaneous droughts in key global food-growing breadbaskets. The authors estimated that a “major” food shock scenario costing $3 trillion globally over a five-year period had a 2.3% chance of happening per year (Fig. 4). Over a 30-year period, those odds equate to about a 50% probability of occurrence — assuming the risks are not increasing each year, which, in fact, they are.

Chart of Lloyd's 2023 extreme weather leading to food and water shock scenario

Yet another concern for the U.S. is the risk of wholly unanticipated “black swan” extreme weather events that scientists didn’t see coming. As Harvard climate scientists Paul Epstein and James McCarthy wrote in a 2004 paper, “Assessing Climate Instability”: “We are already observing signs of instability within the climate system. There is no assurance that the rate of greenhouse gas buildup will not force the system to oscillate erratically and yield significant and punishing surprises.”

One example of such a punishing surprise was Superstorm Sandy of 2012, that unholy hybrid spawn of a Caribbean hurricane/extratropical storm that became the largest hurricane ever observed and one of the most damaging, costing $88 billion. And who anticipated that a siege of climate-change-intensified wildfires in western North America beginning in 2017, causing multiple summers of horrific air quality that would significantly degrade the quality of life in the West? Or the jet stream experiencing a sudden increase in unusually extreme configurations over the past 20 years, leading to prolonged periods of intense extreme weather over multiple portions of the globe simultaneously? As the late climate scientist Wally Broecker once said, “Climate is an angry beast, and we are poking at it with sticks.”

Just as concerning might be future “gray swan” events — extreme weather events that climate models anticipate could happen but exceed anything in the historical record. (“Gray swan” is an expression first coined by hurricane scientist Kerry Emanuel in his 2016 paper, “ Grey swan tropical cyclones .”) Several potential gray swan events I have written about include a $1 trillion California “ARkStorm” flood , the potential failure of the Old River Control Structure during an extreme flood that allows the Mississippi River to change course, or a storm like 2015’s Hurricane Patricia , with winds over 200 mph, hitting Miami, Galveston/Houston, Tampa, or New Orleans. The risk of gray swan events is steadily increasing.

I’m often asked if the absurdly extreme weather events we’ve been experiencing recently are the new normal. “No!” I reply. “Heat is energy, so the energy to fuel more intense extreme weather events will increase until we reach net-zero emissions. At that time, the climate will finally stabilize at a new normal with a highly dangerous level of extreme weather events.”

Barring a series of extraordinary volcanic eruptions or a major geoengineering effort, even under an optimistic “low” emissions climate scenario, the earliest the climate might stabilize is in the mid-2070s (Fig. 5); thus, the weather will grow more extreme, on average, for at least the next 50 years. Considering that CO2 emissions have not yet peaked and may be following the “Intermediate” pathway shown below, there is considerable danger that the weather will still be growing more extreme when today’s children are very old early next century. But even when net zero emissions are reached, sea level rise will continue to occur at a pace difficult to adapt to, and the climate crisis will continue to intensify.

A chart showing potential global carbon dioxide pathways, from very low to very high

The high probability that the weather will grow more extreme throughout the lifetime of everybody reading this essay means that we have to take seriously some very bad long-term threats. As I wrote in my 2022 post, “ The future of global catastrophic risk events from climate change ,” a global catastrophic risk event is defined as a catastrophe global in impact that kills over 10 million people or causes over $10 trillion (2022 USD) in damage. Since the beginning of the 20th century, there have been only three such events: World War I, World War II, and the COVID-19 pandemic. But climate change is a threat multiplier, increasing the risk of five types of global catastrophic risk events:

Coastal flooding from sea-level rise and land subsidence
Collapse of the Atlantic Meridional Overturning Circulation (AMOC), the powerful currents that circulate warm water in the tropical Atlantic Ocean to the Arctic and back (an August 2024 study gave a 59% chance of an AMOC collapse occurring before 2050)

The likeliest of these is a global catastrophic risk event from sea level rise, which is highly likely to occur by the end of the century. For example, a moderate global warming scenario will put $7.9-12.7 trillion dollars of global coastal assets at risk of flooding from sea level rise by 2100, according to a 2020 study, “ Projections of global-scale extreme sea levels and resulting episodic coastal flooding over the 21st century .” Although this study did not take into account assets that inevitably will be protected by new coastal defenses, neither did it consider the indirect costs of sea level rise from increased storm surge damage, mass migration away from the coast, increased saltiness of fresh water supplies, and many other factors. A 2019 report by the Global Commission on Adaptation estimated that sea level rise will lead to damages of more than $1 trillion per year globally by 2050.

Furthermore, sea level rise, combined with other stressors, might bring about megacity collapse — a frightening possibility when infrastructure destruction, salinification of freshwater resources, and a real estate collapse potentially combine to create a mass exodus of people from a major city, reducing its tax base to the point that it can no longer provide basic services. The collapse of even one megacity might have severe impacts on the global economy, creating increased chances of a cascade of global catastrophic risk events. One megacity potentially at risk of this fate is the capital of Indonesia, Jakarta, with a population of 10 million. Land subsidence of up to two inches per year and sea level rise of about an eighth of an inch per year are causing so much flooding in Jakarta that Indonesia is constructing a new capital city in Borneo.

Is the #AMOC approaching a tipping point? Here's my take after researching this topic for over 30 years. Open access, peer-reviewed, in full colour & understandable for non-experts. https://t.co/gMu6Zw5mR7 pic.twitter.com/mrgzO9NMxR — Prof. Stefan Rahmstorf 🌏 🦣 (@rahmstorf) April 11, 2024

I also expect one or more climate change-amplified global catastrophic risk events from drought will occur this century. Mexico City, with a metro area population of 22 million, has suffered record heat over the past year, is in danger of its reservoirs running dry, and is drilling ever-deeper wells to tap an overtaxed aquifer. Though the city will muddle through the crisis now that the summer rains have come this year, what is the plan for 30 years from now, when the climate is expected to be drier and much, much hotter? Although Mexico City can greatly improve its water situation by fixing a poorly maintained system that has a 40% loss rate , it is unclear how the city will be able to survive the much hotter and drier climate of 30 years from now. And at least 10 other major cities are in a similar bind.

Technology can help us adapt to a hotter climate by providing air conditioning (if you are rich enough), but technological solutions to create more water availability when the taps run dry are much more difficult to achieve. I believe water shortages will drive a partial collapse of and mass migration out of multiple major cities 20-40 years from now, significantly amplifying global political and economic turmoil. For example, a 2010 study, “ Linkages among climate change, crop yields and Mexico-US cross-border migration ,” found that a 10% reduction in crop yields in Mexico leads to an additional 2% of the population emigrating to the United States.

In his frightening 2019 book “ Food or War ,” science writer Julian Cribb documents 25 food conflicts that have led to famine, war, and the deaths of more than a million people — mostly caused by drought. Since 1960, Cribb says, 40-60% of armed conflicts have been linked to resource scarcity, and 80% of major armed conflicts occurred in vulnerable dry ecosystems. Hungry people are not peaceful people, Cribb argues.

Though climate change itself is not accelerating faster than what climate scientists and climate models predicted , devastating impacts from climate change do seem to be accelerating. That is because the new climate is crossing thresholds beyond which an infrastructure designed for the 20th century can withstand. These breaches are occurring in tandem with an increase in exposure — more people with more stuff living in harm’s way — which is the dominant cause of the sharp increase in weather-disaster losses in recent years. It’s sobering to realize that the current U.S. insurance crisis has primarily been driven by increased exposure and foolish insurance policies that promote development in risky places — not climate change — and that climate change’s relative contribution to the crisis is set to grow significantly.

Accelerating sea level rise alone is sure to cause a massive shock to the U.S. economy; according to a 2022 report from NOAA , sea level along the U.S. coastline is projected to rise, on average, 10-12 inches (0.25-0.30 meters) in the next 30 years (2020-2050), which will be as much as the rise measured over the last 100 years (1920-2020). At this level, 13.6 million homes might be at risk of flooding by 2051 , triggering a mass migration of millions of people away from the coast.

If we add to sea-level-rise-induced migration the additional migration that will result from climate change-intensified wildfires, heatwaves, and hurricanes, we are forced to acknowledge the reality that a nation-challenging Hurricane Katrina-level climate change storm has already begun in the U.S., one which has the potential to cause catastrophic damage. As I wrote in my June post, The U.S. is finally making serious efforts to adapt to climate change , there have been some encouraging efforts to prepare for the coming mass migration. But, as I argued in my follow-up post, The U.S. is nowhere near ready for climate change , we remain woefully unprepared for what is coming.

And my subsequent post, Can a colossal extreme weather event galvanize action on the climate crisis? , argues that we should not expect that any future extreme weather event or breakdown of the climate system will galvanize the type of response needed — we’ve already had at least 13 events since 1988 that should have done so, yet have not. Even if such an event did prompt strong, transformative change, it’s too late to avoid having life turned upside-down by climate change. It’s like we’ve waited until our skin started getting red before seeking shade from the sun, and we’re only now taking our first stumbling steps toward shade. Well, it’s a long hike to shade, and a blistering sunburn is unavoidable.

Given the unprecedented nature and complexity of this planetary crisis, there is huge uncertainty on how this drama may unfold; there are climate scientists who offer a more optimistic outlook than I do (for example, Hannah Ritchie , author of “Not the End of the World”), and those who are more pessimistic ( James Hansen ).

I suggest that you make the most of the current “calm before the storm” and prepare for the chaotic times ahead, which could begin at any time. I will offer my recommendations on how to do this in my next post in this series, “What should you do to prepare for the climate change storm?”

The urgency to rapidly deal with the climate crisis was succinctly summarized by the Intergovernmental Panel on Climate Change in its latest summary report: “There is a rapidly closing window of opportunity to secure a livable and sustainable future for all.”

But taking advantage of that window of opportunity is difficult because of human psychological and political realities. In climate scientist Peter Gleick’s 2023 book, “The Three Ages of Water,” he quotes Harvard’s E.O. Wilson, father of sociobiology, who perhaps said it best: “The real problem of humanity is the following: We have Paleolithic emotions, medieval institutions, and godlike technology. And it is terrifically dangerous, and it is now approaching a point of crisis overall.”

The boat of civilization has already hit multiple rocks along the rapids of climate change and is taking on water. Perilous rapids with even more dangerous rocks and waterfalls lie before us, but the course of our boat cannot be so easily altered to avoid the rocks, because of our Paleolithic emotions and medieval institutions. As a result, we may have only a few more years — or perhaps as long as 15 years — of relative normalcy in our everyday lives here in the U.S. before the approaching climate change storm ends our golden age of prosperity. But this “golden age” was made of fool’s gold, paid for with wealth plundered from future generations.

Though this essay has dwelt on some grim realities, I am optimistic that we will prevent climate change from becoming a civilization-destroying category 5-level catastrophe. But we must fight extremely hard to correct the course of our boat and not allow its inertia to carry us into the rocks that stud the rapids of climate change. This is not a task that can be accomplished in our lifetimes.

Susan Joy Hassol, the climate communication veteran who served as a senior science writer on three National Climate Assessments, put it this way in an interview with Yale Climate Connections contributor Daisy Simmons: “This is the fight of our lives, and it’s a multigenerational task. We need what’s been called ‘cathedral thinking.’ That is, the people who started working on that stone foundation , they never saw the thing finished. It took generations to get these major works done. This is that kind of problem. And we have to all do our part. The more I act, the better I feel, because I know I’m part of the solution.”

Actions we take now will yield enormous future benefits, and the faster we undertake transformative actions to adapt to the new climate reality, the less suffering will occur. The Global Commission on Adaptation says that “every $1 invested in adaptation could yield up to $10 in net economic benefits, depending on the activity.” We should work to build our cathedral of the future with the thought that each action we take now will multiply by a factor of 10 in importance in the future.

An excellent @nytimes article on rapid growth of wind, solar, & EVs, including factories, in the US. Costs are below fossil and nuclear (see graphs). Reasons why, graphs with how fast, pictures of it happening. https://t.co/uglQDnE97t pic.twitter.com/oIpLmlp28v — Willett Kempton (@WillettKempton) September 5, 2023

But some of the hardest work has been done: The cornerstone of this cathedral of the future has already been laid. The clean energy revolution is here and has progressed far more rapidly than I had dared hope. Passage of the 2021 Bipartisan Infrastructure Law and 2023 Inflation Reduction Act has been instrumental in getting this cornerstone laid. Solar energy is now the cheapest source of energy in world history, and the costs of wind power and battery technology have also plummeted. Two recent reports were optimistic that climate-warming carbon dioxide emissions had finally peaked in 2023, and GDP growth has decoupled from carbon dioxide emissions in recent years, giving hope that economic growth can still occur without making the planet hotter.

At its heart, the root of the climate crisis is humanity’s spiritual inharmoniousness: We overvalue the pursuit of material wealth and we worship billionaires but undervalue growing more connected to our spiritual selves and acting to preserve and appreciate the natural systems that sustain us. Making yourself more peaceful and loving through quiet spiritual pursuits and time spent in nature will help counteract the anxiety and fear sparked by the climate crisis. But in tandem with your increased peace must come a righteous anger to “throw the money changers out of the temple” and topple the might of the fossil fuel industry and its enablers.

So put your shoulder to an oar! Help us power the boat of civilization through the rapids of climate change. All of humanity shares the same boat, and you have the opportunity to make your own unique and valuable contribution to the effort.

This is a nice way to visualize the pathway to your unique climate action. https://t.co/cjlv5XXrak — Jeff Masters (@DrJeffMasters) May 15, 2024

As promised, here is the rainbow at the end. It’s the intro image from my first and last Weather Underground blog posts, “ The 360-degree Rainbow ,” and “ So long, wunderground! ” My unique and valuable contribution to building our new cathedral has not yet reached the end of the rainbow, for a rainbow has no end — it is a full circle. One just has to fly high in a rainstorm where the sun is shining to see it.

I will continue to make my voice heard as long as climate science-denying politicians, corporations, media pundits, and wealthy individuals continue to row the boat of civilization into the rocks of climate-change catastrophe. I encourage those of you who have learned about extreme weather and climate change from me to do the same. To get started, learn from one of the best communicators in the business, climate scientist Katherine Hayhoe :

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Impacts of Climate Change

Climate change is already affecting the environment and people around the world. We have seen changes in the air, in water, and in plants and animals. These impacts include things like warmer temperatures, sea-level rise, heavy rainfall and more intense storms. Hundreds of plants and animals on the land and in the ocean have been lost because of very hot temperatures. Climate change has also made it more difficult for many people to access food or water, and has caused some people to lose their ways of earning a living. Unfortunately, people who have contributed the least to climate change are experiencing the worst effects. This shows that the effects of climate change are not fair and that there are uneven impacts on different people and places. It is important for us to understand the impacts of climate change on the environment and people so that we can find ways to solve these problems.

Climate Change Has Many Impacts

Climate change is already affecting the environment and people around the world. This article explores some of the many impacts of climate change, including warming air and oceans; melting ice; disruptions to plants, animals, and ecosystems; and negative impacts on people’s health and the ways that people earn a living. However, while climate change is having impacts all over the world, it is important to recognize that the causes and consequences of climate change are not evenly distributed. People in places that have contributed the least to climate change are often the most negatively impacted.

While there are many impacts of climate change, as seen in Figure 1 , there are also many solutions that are available to reduce these impacts and to stop climate change from getting worse. It is really important to understand the impacts of climate change, to persuade governments and people of the need to act straight away to reduce these impacts.

Climate change has widespread impacts.

Impacts on the Environment

Climate change has already caused widespread changes to the environment, and these changes are happening quickly . Human activities are responsible for releasing greenhouse gases such as carbon dioxide and methane. These greenhouse gases have resulted in an increase in the global surface temperature, which is the average temperature of the world over both the ocean and land. In the years 2011–2020, global surface temperature was around 1.1°C higher than it was in the years 1850–1900 [ 1 ]. Since 1970, global surface temperature has increased faster than in any other 50-year period over at least the last 2,000 years. This is a really fast change to global surface temperature and something that we have not seen in the past!

The increase in the global surface temperature is absolutely due to the actions of people. However, different regions of the world have contributed more or less to the greenhouse gas emissions that are causing global warming. Historically, North America, Europe, and Eastern Asia have contributed the largest amount of carbon dioxide into the atmosphere. These regions have contributed over half of the greenhouse gases that are causing climate change. However, as you will see in the following sections, regions that have historically contributed the least to climate change are experiencing the worst impacts.

The higher global surface temperature has resulted in many weather and climate extremes being affected. For instance, heatwaves are happening more often and are more intense than they have been in the past. Since the 1950s, most regions of the world have seen an increase in heatwaves that are due to human-caused climate change. On the other hand, cold extremes, including cold waves, have become less frequent and less severe. So, overall, we are experiencing more hot extremes than cold extremes.

Since 1950, heavy precipitation events, such as heavy rainfall, have also increased—both in how often they are happening and how intense they are. Droughts , which are long periods of unusually dry weather with not enough rain, are also happening more often. We also see an increase in the percentage of very strong tropical cyclones , which are also called hurricanes or typhoons in certain parts of the world.

Climate change is also causing impacts in the ocean. Marine heatwaves, which is when the water becomes much hotter than usual, are becoming much more common [ 2 ]. Since the 1980s, there has been about a 50% increase in these very hot ocean conditions. Sea levels are also rising. Global mean sea level increased by 0.20 m between 1901 and 2018. On average, sea level rose 1.3 mm every year between 1901 and 1971. This increased to 1.9 mm every year between 1971 and 2006. Sea levels then further increased by 3.7 mm every year between 2006 and 2018. Human influence was very likely the main driver of these increases since at least 1971. So, we are seeing sea levels rising faster than we have experienced in the past.

Impacts on Nature

Climate change is also causing loss of biodiversity and damaging Earth’s ecosystems. Large numbers of plants and animals have died because of the increasing temperatures. As a result, hundreds of species in numerous areas, both on land and in the ocean, have been lost [ 3 ] (For more information on how organisms respond to climate change, see this article ).

As temperatures increase, organisms move their living areas to environments that suit them better. Due to warmer temperatures, about half of the species that have been studied have moved toward the north and south poles, to higher elevations, or to deeper waters where it is cooler. Warmer temperatures have also led many plants and animals to change the times when they perform important activities, such as flowering, migrating, and reproducing.

Glaciers are getting smaller and ecosystems in mountains and in the Arctic are being affected by the thawing of permafrost —land that was once permanently frozen. We have seen land become too dry to support life (called desertification) and we have also seen the loss of land (called land degradation). These processes are the worst in low-lying coastal areas, river deltas, drylands, and areas with permafrost. Nearly half of the world’s coastal wetlands have been lost in the last 100 years, due in part to climate change.

Impacts on Food and Water

These changes to the environment and to nature have had many impacts on people and societies. Increasing weather and climate extremes have caused millions of people to not have enough food to meet their basic needs. In areas with warmer temperatures, climate change is having negative impacts on farming. Some farmers cannot grow as much food as they could before. Changes to the ocean have negatively impacted fisheries . In some places, fishers are catching fewer fish than they used to. These impacts on farming and fisheries have contributed to the decreased food supply experienced by some people. Climate change also negatively impacts water availability. For at least some part of the year, about half of the world’s population does not have access to enough water.

These impacts on food and water availability are most severe in places and communities that have historically contributed the least to climate change. These are regions such as Africa, Asia, Central and South America, and other countries that are the least developed, including small islands and the Arctic. Across the globe, we also see more severe impacts affecting Indigenous peoples, small-scale food producers, and low-income households.

Impacts on Human Health And Life

Climate change has also negatively affected human health and life. Between 2010 and 2020, deaths from floods, droughts, and storms were 15 times higher in highly vulnerable regions compared to regions with very low vulnerability. Regions that are highly vulnerable are also those that have historically contributed the least to climate change. Around the world, we see that extreme heat events have resulted in deaths and negative impacts on people’s health. Diseases including Lyme disease, malaria, and dengue have increased. Food safety has also been negatively impacted, with an increase in infections such as salmonella and an increase in toxins that are associated with cancer.

Climate change has also contributed to malnutrition, particularly for women, pregnant women, children, low-income households, Indigenous peoples, and minority groups. Mental health is also being affected. We see that people who have been exposed to disasters are experiencing trauma and distress. People, and particularly young people, are also experiencing mental health challenges when thinking about or anticipating the impacts of climate change. This shows why it is so important to learn not only about the impacts of climate change, but also about the solutions that can help to solve these problems!

Impacts on Economies And Cultures

Climate change is also causing negative impacts on important parts of the economy , such as agriculture, forestry, fishery, energy, and tourism. Buildings, roads, and other types of infrastructure are being damaged or destroyed by floods and storms. This has resulted in high costs to repair or replace them. People are finding that their livelihoods, or ways of making a living, are being negatively affected due to impacts on farming, health, and even the destruction of their homes.

There are also impacts on people’s culture due to climate change. In some cases, people have been forced to move because of climate change impacts. As you may imagine, being forced to move from their homes has had negative effects on people’s sense of belonging to a particular place. For example, Indigenous peoples in coastal Alaska and in villages in the Solomon Islands and Fiji who have had to move because of climate change have experienced emotional distress and the loss of cultural and spiritual bonds to their homes.

To sum it up, climate change is causing negative impacts all over the world. The air and oceans are getting hotter, and it is changing where animals and plants live. Warming temperatures are making people sick and affecting how they make a living, and warming is also causing plants, animals, and people to die. The impacts of climate change are not fair because the people who did the least to cause it are suffering the most.

But there is hope! There are lots of ways we can stop climate change from getting worse. We need to understand how big the problem is so that everyone, from governments down to regular people, can work together to fix it fast. It is super important for all of us to join hands and take strong actions to fight against climate change.

Greenhouse Gases : ↑ Gases in the atmosphere which can absorb heat and cause the planet to warm up. These occur naturally, such as carbon dioxide and water vapor, but human activity is putting more greenhouse gases into the air leading to the planet getting warmer.

Weather and Climate Extremes : ↑ When the weather or climate is doing something very different from normal, such as very hot temperatures or very intense storms.

Drought : ↑ When there is not enough rain for a long time, causing the ground to dry up and making it hard for people, plants, and animals to get the water they need.

Tropical Cyclones : ↑ A big, spinning storm that forms over warm ocean waters. It has strong winds and lots of rain and can cause flooding and damage when it moves over land.

Biodiversity : ↑ The variety of all life on Earth, including plants, animals, and the ecosystems that they live in.

Permafrost : ↑ Ground that stays frozen all year round, even in the summer. It is found in very cold places like the Arctic.

Fisheries : ↑ Places where people catch fish and other sea animals for food. They can be in the ocean, lakes, or rivers.

Economy : ↑ How money and resources are made, used, and shared in a place. It includes jobs, businesses, and trade.

Conflict of Interest

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Acknowledgments

We thank the IPCC for providing the source material that we have simplified for this audience of young minds. We thank the Young Reviewers that have helped to make this article more interesting, including Alissar and Shanmukh. Alissar is not only dedicated to her academic pursuits but also actively involved in various volunteer activities, aiming at serving and enhancing the needs of the Syrian society. And Shanmukh is strongly interested in math and science and hopes to pursue a career in data science.

[1] ↑ IPCC 2023. “Summary for policymakers”, in Climate Change 2023: Synthesis Report. Contribution of Working Groups I, II and III to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change , eds. Core Writing Team, H. Lee, and J. Romero. Geneva: IPCC, 1–34. doi: 10.59327/IPCC/AR6-9789291691647.001

[2] ↑ IPCC 2019. “Summary for policymakers”, in IPCC Special Report on the Ocean and Cryosphere in a Changing Climate , eds. H.-O. Pörtner, D. C. Roberts, V. Masson-Delmotte, P. Zhai, M. Tignor, E. Poloczanska, et al. Cambridge: Cambridge University Press, 3–35. doi: 10.1017/9781009157964.001

[3] ↑ IPCC 2022. “Technical summary”, in Climate Change 2022: Impacts, Adaptation and Vulnerability. Contribution of Working Group II to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change , eds. H.-O. Pörtner, D. C. Roberts, M. Tignor, E. S. Poloczanska, K. Mintenbeck, A. Alegría, et al. Cambridge: Cambridge University Press, 37–118. doi: 10.1017/9781009325844.002

Classifieds

Harris And Trump Offer Starkly Different Visions On Climate Change And Energy

FILE - A long exposure image shows the recorded temperature on a thermostat at the Furnace Creek Visitors Center, after 10:00 p.m. July 7, 2024, in Death Valley National Park, Calif. (AP Photo/Ty ONeil, File)

WASHINGTON (AP) — As the Earth sizzled through a summer with four of the hottest days ever measured , Vice President Kamala Harris and former President Donald Trump have starkly different visions on how to address a changing climate while ensuring a reliable energy supply. But neither has provided many details on how they would get there.

During her acceptance speech at the Democratic National Convention, Harris briefly mentioned climate change as she outlined “fundamental freedoms” at stake in the election, including “the freedom to breathe clean air and drink clean water and live free from the pollution that fuels the climate crisis.”

As vice president, Harris cast the tiebreaking vote on the Inflation Reduction Act , President Joe Biden’s landmark climate law that was approved with only Democratic support. As a senator from California, she was an early sponsor of the Green New Deal , a sweeping series of proposals meant to swiftly move the United States to fully green energy that is championed by the party’s most progressive wing.

Trump, meanwhile, led chants of “drill, baby, drill” and pledged to dismantle the Biden administration’s “green new scam” in his acceptance speech at the Republican National Convention. He has vowed to boost production of fossil fuels such as oil, natural gas and coal and repeal key parts of the 2022 climate law.

“We have more liquid gold under our feet than any other country by far,” Trump said at the convention. “We are a nation that has the opportunity to make an absolute fortune with its energy.”

Environmental groups, which largely back Harris, call her a “proven climate champion” who will take on Big Oil and build on Biden's climate legacy, including policies that boost electric vehicles and limit planet-warming pollution from coal-fired power plants .

"We won’t go back to a climate denier in the Oval Office,'' said Lena Moffitt, executive director of Evergreen Action.

Republicans counter that Biden and Harris have spent four years adopting “punishing regulations” that target American energy while lavishing generous tax credits for electric vehicles and other green priorities that cost taxpayers billions of dollars.

“This onslaught of overreaching and outrageous climate rules will shut down power plants and increase energy costs for families across the country,'' said Sen. John Barrasso, R-Wyo. "Republicans will work to stop them and fight for solutions that protect our air and water and allow our economy to grow.”

Democrats have a clear edge on the issue. More than half of U.S. adults say they trust Harris “a lot” or “some” when it comes to addressing climate change, according to an Associated Press-NORC Center for Public Affairs Research poll conducted in July . About 7 in 10 say they have “not much” trust in Trump or “none at all” when it comes to climate. Fewer than half say they lack trust in Harris.

A look at where the two candidates stand on key climate and energy issues:

Harris said during her short-lived 2020 presidential campaign that she opposed offshore drilling for oil and hydraulic fracturing , an oil and gas extraction process better known as fracking.

But her campaign has clarified that she no longer supports a ban on fracking , a common drilling practice crucial to the economy in Pennsylvania, a key swing state and the nation’s second-largest producer of natural gas.

“As vice president, I did not ban fracking. As president, I will not ban fracking,'' Harris told CNN on Thursday in her first major television interview as the nominee. "We can grow ... a thriving clean energy economy without banning fracking.''

Kevin Book, managing director at ClearView Energy Partners, a Washington research firm, said Harris’ evolving views show she is “trying to balance climate voters and industry supporters,″ even as her campaign takes ”an adversarial stance″ with the oil and gas industry overall.

Harris and Democrats have cited new rules — authorized by the climate law — to increase royalties that oil and gas companies pay to drill or mine on public lands. She also has supported efforts to clean up old drilling sites and cap abandoned wells that often spew methane and other pollutants.

Trump, who pushed to roll back scores of environmental laws as president , says his goal is for the U.S. to have the cheapest energy and electricity in the world. He’d increase oil drilling on public lands, offer tax breaks to oil, gas and coal producers and speed approval of natural gas pipelines.

Trump has frequently criticized tough new vehicle emissions rules imposed by Biden, incorrectly labeling them an electric vehicle “mandate.″ Environmental Protection Agency rules issued this spring target tailpipe emissions from cars and trucks and encourage but do not require sales of new EVs to meet the new standards.

Trump has said EV manufacturing will destroy jobs in the auto industry. In recent months, however, he has softened his rhetoric, saying he’s for “a very small slice” of cars being electric.

The change comes after Tesla CEO Elon Musk “endorsed me very strongly,” Trump said at an August rally in Atlanta. Even so, industry officials expect Trump to roll back Biden’s EV push and attempt to repeal tax incentives that Trump claims benefit China.

Harris has not announced an EV plan but has strongly supported EVs as vice president. At a 2022 event in Seattle, she celebrated roughly $1 billion in federal grants to purchase about 2,500 “clean” school buses. As many as 25 million children ride the familiar yellow buses each school day, and they will have a healthier future with a cleaner fleet, Harris said.

The grants and other federal climate programs not only are aimed at “saving our children, but for them, saving our planet,″ she said.

Harris has focused on implementing the $1 trillion bipartisan infrastructure law passed in 2021 , as well as climate provisions of the Inflation Reduction Act , which provided nearly $375 billion in financial incentives for electric cars and clean energy projects.

Under Biden and Harris, U.S. manufacturers created more than 250,000 energy jobs last year, the Energy Department said, with clean energy accounting for more than half of those jobs . “America is more energy secure than ever before with the highest domestic energy production on record,'' the Harris campaign said.

Trump and his running mate, Ohio Sen. JD Vance, deride climate spending as a "money grab'' for environmental groups and say it will ship Americans' jobs to China and other countries while increasing energy prices at home.

“Kamala Harris cares more about climate change than about inflation,” Vance wrote in an op-ed in The Wall Street Journal.

Trump, who has cast climate change as a “hoax," withdrew the U.S. from the 2015 Paris Climate Agreement. He has pledged to do so again, calling the global plan to reduce carbon emissions unenforceable and a gift to China and other big polluters. Trump promises to end wind subsidies included in the climate law and eliminate regulations imposed and proposed by the Biden administration to increase the energy efficiency of lightbulbs, stoves, dishwashers and shower heads.

Harris has called the Paris Agreement crucial to address climate change and protect “our children’s future.″

The U.S. returned to the pact soon after Biden took office in 2021.

After approving numerous projects to export liquefied natural gas, or LNG, the Biden administration in January paused consideration of new natural gas export terminals . The delay allows officials to review the economic and climate impacts of natural gas, a fossil fuel that emits methane, a potent greenhouse gas.

The decision aligned the Democratic president with environmentalists who fear the recent increase in LNG exports is locking in potentially catastrophic planet-warming emissions even as Biden has pledged to cut climate pollution in half by 2030 .

Trump has said he would approve terminals “on my very first day back” in office.

Harris has not outlined plans for LNG exports, but analysts expect her to impose tough climate standards on export projects as part of her larger stance against large oil and gas companies.

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The seas are coming: Faster, angrier, hotter

Story : Sibu Tripathi

The oceans are warming, and sea levels are rising. Driven by climate change, it is permanently reshaping the planet.

The world's oceans are undergoing dramatic changes due to climate change, with rising sea levels and increasing temperatures reshaping marine ecosystems and posing significant challenges to coastal communities worldwide.

Sea levels have been rising at an accelerating rate, primarily driven by two factors related to global warming: the melting of land-based ice sheets and glaciers, and the thermal expansion of seawater as it warms.

Between 1901 and 2018, the average global sea level rose by 15-25 centimetres (6-10 inches), with the rate increasing to 3.7 millimetres per year by 2006.

WHY ARE OCEANS IMPORTANT?

Changes in the ocean are vital indicators of climate health and climate change.

The ocean absorbs much of the heat trapped by greenhouse gases and plays a crucial role in driving climate shifts. It also takes in some of the carbon dioxide from human activities, making seawater less alkaline.

This, combined with rising marine heat waves, harms coral reefs and the fisheries that support about one billion people.

Rising sea levels also increase the impact of storms and coastal flooding, especially in Small Island Developing States (SIDS) and along vulnerable coastlines, and can threaten freshwater supplies.

Understanding these complex interactions helps us protect ecosystems, manage the effects of climate change, and make better decisions for sustainable resource use.

THE RISING SEAS

UN Secretary General Antonio Guterres issued yet another climate SOS to the world. This time he said those initials stand for “save our seas.”

This rise is not uniform across the globe, as local factors such as land subsidence, regional ocean currents, and post-glacial rebound can influence relative sea level changes at specific locations.

For instance, sea level rise in the United States is projected to be two to three times greate r than the global average by the end of the century.

The United Nations and the World Meteorological Organisation (WMO) have issued reports on a dangerous sea level rise, turbocharged by a warming Earth and melting ice sheets and glaciers.

About 40% of the global population lives within 100 km of the coast and the global sea level has risen more than 15 cm since 1900.

Since 1980, coastal flooding in Guam has jumped from twice a year to 22 times a year. It’s gone from five times a year to 43 times a year in the Cook Islands.

CITIES UNDER THREAT

An analysis of coastal cities indicates that by 2050, one in 50 residents in two dozen U.S. coastal cities could face significant flooding.

Currently, 24 out of 32 U.S. coastal cities are sinking at a rate of more than 2 millimetres per year, with half of these cities experiencing land subsidence faster than the rate of global sea level rise. The most critical risk factor is the rising sea levels in India, which threaten to submerge 12 coastal cities by the end of the century.

According to a climate change report, these cities, including Mumbai, Chennai, Kochi, and Visakhapatnam, could be nearly three feet underwater by the end of the century.

This analysis is based on data from NASA, which utilized the IPCC report to evaluate sea-level changes worldwide.

The IPCC reported that “Coastal areas will see continued sea-level rise throughout the 21st century, contributing to more frequent and severe coastal flooding in low-lying areas and coastal erosion with extreme sea-level events that previously occurred once in 100 years could happen every year by the end of this century.”

Concurrently, ocean temperatures are rising at an alarming rate. The South West Pacific, in particular, is experiencing ocean warming at up to three times the global rate. This increase in ocean heat content is a major contributor to sea level rise through thermal expansion.

The consequences of these changes are far-reaching and potentially devastating.

Rising seas threaten to displace coastal communities, with 40% of the U.S. population and eight of the world's ten largest cities located in vulnerable coastal areas. Low-lying islands in the Caribbean and Pacific are at risk of becoming uninhabitable by the end of this century.

The WMO identified that throughout 2023, very warm ocean temperatures have helped fuel record-breaking heat in many parts of the world.

DISRUPTIONS FOR ALL

Moreover, the warming oceans are disrupting marine ecosystems, leading to coral bleaching, changes in species distribution, and potential loss of biodiversity. The increased heat is also amplifying the frequency and severity of extreme weather events , such as hurricanes and storm surges.

The impacts extend beyond the coasts, affecting global weather patterns, ocean circulation, and even the planet's rotation. As ice sheets melt, the redistribution of mass is slightly altering Earth's axis of rotation, a phenomenon that could have long-term implications for climate patterns.

Addressing these challenges requires immediate and concerted global action. Efforts to reduce greenhouse gas emissions are crucial to mitigate further warming and sea level rise.

Additionally, coastal communities must adapt through a combination of strategies, including managed retreat, accommodation of coastal changes, and protective measures like seawalls and beach nourishment.

As the seas continue to change, scientists emphasise the need for ongoing research and monitoring to better understand and predict future impacts.

The global community faces a critical juncture, where decisions made today will shape the future of our oceans and the planet as a whole.

Photos: PTI, AP, Getty, Generative AI by Rahul Gupta

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The worldwide catastrophe of rising seas especially imperils Pacific paradises, Guterres says

FILE - Tourists watch the sun set along a popular beach in Tamuning, Guam, May 6, 2019. (AP Photo/David Goldman, File)

United Nations Secretary-General Antonio Guterres speaks at the opening of the annual Pacific Islands Forum leaders meeting in Nuku’alofa, Tonga, Monday, Aug. 26, 2024. (AP Photo/Charlotte Graham-McLay)

High school students march for climate justice as Pacific leaders meet in Nuku’alofa, Tonga, Tuesday, Aug. 27, 2024. (AP Photo/Charlotte Graham-McLay)

Vanuatu Prime Minister Charlot Salwai, from left, Niue Prime Minister Dalton Tagelagi and New Zealand Foreign Minister Winston Peters attend the opening of the annual Pacific Islands Forum leaders meeting in Nuku’alofa, Tonga, Monday, Aug. 26, 2024. (AP Photo/Charlotte Graham-McLay)

FILE - A section of land between trees is washed away due to rising seas on Nov. 6, 2015, in Majuro Atoll, Marshall Islands. (AP Photo/Rob Griffith, File)

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NUKU’ALOFA, Tonga (AP) — Highlighting seas that are rising at an accelerating rate, especially in the far more vulnerable Pacific island nations, U.N. Secretary-General Antonio Guterres issued yet another climate SOS to the world. This time he said those initials stand for “save our seas.”

The United Nations and the World Meteorological Organization Monday issued reports on worsening sea level rise, turbocharged by a warming Earth and melting ice sheets and glaciers. They highlight how the Southwestern Pacific is not only hurt by the rising oceans, but by other climate change effects of ocean acidification and marine heat waves.

Guterres toured Samoa and Tonga and made his climate plea from Tonga’s capital on Tuesday at a meeting of the Pacific Islands Forum, whose member countries are among those most imperiled by climate change. Next month the United Nations General Assembly holds a special session to discuss rising seas .

U.N. Secretary-General Antonio Guterres issued yet another climate SOS to the world, highlighting seas that are rising at an accelerating rate, especially in the far more vulnerable Pacific island nations.

“This is a crazy situation,” Guterres said. “Rising seas are a crisis entirely of humanity’s making. A crisis that will soon swell to an almost unimaginable scale, with no lifeboat to take us back to safety.”

“A worldwide catastrophe is putting this Pacific paradise in peril,” he said. “The ocean is overflowing.”

A report that Guterres’ office commissioned found that sea level lapping against Tonga’s capital Nuku’alofa had risen 21 centimeters (8.3 inches) between 1990 and 2020, twice the global average of 10 centimeters (3.9 inches). Apia, Samoa, has seen 31 centimeters (1 foot) of rising seas, while Suva-B, Fiji has had 29 centimeters (11.4 inches).

“This puts Pacific Island nations in grave danger,” Guterres said. About 90% of the region’s people live within 5 kilometers (3 miles) of the rising oceans, he said.

Since 1980, coastal flooding in Guam has jumped from twice a year to 22 times a year. It’s gone from five times a year to 43 times a year in the Cook Islands. In Pago Pago, American Samoa, coastal flooding went from zero to 102 times a year, according to the WMO State of the Climate in the South-West Pacific 2023 report.

“Because of sea level rise, the ocean is transforming from being a lifelong friend into a growing threat,” Celeste Saulo, secretary-general of the World Meteorological Organization, told reporters in Nuku’alofa on Tuesday.

While the western edges of the Pacific are seeing sea level rise about twice the global average, the central Pacific is closer to the global average, the WMO said.

Sea levels are rising faster in the western tropical Pacific because of where the melting ice from western Antarctica heads, warmer waters and ocean currents, UN officials said.

Guterres said he can see changes since the last time he was in the region in May 2019.

While he met in Nuku’alofa on Tuesday with Pacific nations on the environment at their leaders’ annual summit, a hundred local high school students and activists from across the Pacific marched for climate justice a few blocks away.

One of the marchers was Itinterunga Rae of the Barnaban Human Rights Defenders Network, whose people were forced generations ago to relocate to Fiji from their Kiribati island home due to environmental degradation. Rae said abandoning Pacific islands should not be seen as a solution to rising seas.

“We promote climate mobility as a solution to be safe from your island that’s been destroyed by climate change, but it’s not the safest option,” he said. Barnabans have been cut off from the source of their culture and heritage, he said.

“The alarm is justified,” said S. Jeffress Williams, a retired U.S. Geological Survey sea level scientist. He said it’s especially bad for the Pacific islands because most of the islands are at low elevations, so people are more likely to get hurt. Three outside experts said the sea level reports accurately reflect what’s happening.

The Pacific is getting hit hard despite only producing 0.2% of heat-trapping gases causing climate change and expanding oceans, the UN said. The largest chunk of the sea rise is from melting ice sheets in Antarctica and Greenland. Melting land glaciers add to that, and warmer water also expands based on the laws of physics.

Antarctic and Greenland “melting has greatly accelerated over the past three to four decades due to high rate of warming at the poles,” Williams, who was not part of the reports, said in an email.

About 90% of the heat trapped by greenhouse gases goes into the oceans, the UN said.

Globally, sea level rise has been accelerating, the UN report said, echoing peer-reviewed studies . The rate is now the fastest it has been in 3,000 years, Guterres said.

Between 1901 and 1971, the global average sea rise was 1.3 centimeters a decade, according to the UN report. Between 1971 and 2006 it jumped to 1.9 centimeters per decade, then between 2006 and 2018 it was up to 3.7 centimeters a decade. The last decade, seas have risen 4.8 centimeters (1.9 inches).

The UN report also highlighted cities in the richest 20 nations, which account for 80% of the heat-trapping gases, where rising seas are lapping at large population centers. Those cities where sea level rise in the past 30 years has been at least 50% higher than the global average include Shanghai; Perth, Australia; London; Atlantic City, New Jersey; Boston; Miami; and New Orleans.

New Orleans topped the list with 10.2 inches (26 centimeters) of sea level rise between 1990 and 2020. UN officials highlighted the flooding in New York City during 2012’s Superstorm Sandy as worsened by rising seas. A 2021 study said climate-driven sea level rise added $8 billion to the storm’s costs.

Guterres is amping up his rhetoric on what he calls “climate chaos” and urged richer nations to step up efforts to reduce carbon emissions, end fossil fuel use and help poorer nations. Yet countries’ energy plans show them producing double the amount of fossil fuels in 2030 than the amount that would limit warming to internationally agreed upon levels, a 2023 UN report found.

Guterres said he expects Pacific island nations to “speak loud and clear” in the next General Assembly, and because they contribute so little to climate change, “they have a moral authority to ask those that are creating accelerating the sea level rise to reverse these trends.”

Borenstein reported from Kensington, Maryland.

Follow Seth Borenstein and Charlotte Graham-McLay on X at @borenbears and @CGrahamMcLay

Read more of AP’s climate coverage at http://www.apnews.com/climate-and-environment

The Associated Press’ climate and environmental coverage receives financial support from multiple private foundations. AP is solely responsible for all content. Find AP’s standards for working with philanthropies, a list of supporters and funded coverage areas at AP.org .

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The poisonous global politics of water

Polarisation makes it harder to adapt to climate change.

A child collects water from a station pipe that supplies water in Bangladesh

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T HE WATER thieves come at night. They arrive in trucks, suck water out of irrigation canals and drive off. This infuriates Alejandro Meneses, who owns a big vegetable farm in Coquimbo, a parched province of Chile. In theory his landholding comes with the right to pour 40 litres of river-water a second on his fields. But thanks to drought, exacerbated by theft, he can get just a tenth of that, which he must negotiate with his neighbours. If the price of food goes up because farmers like him cannot grow enough, “there will be a big social problem,” he says.

The world’s water troubles can be summed up in six words: “Too little, too much, too dirty”, says Charlie Iceland of the World Resources Institute ( WRI ), a think-tank. Climate change will only aggravate the problem. Already, roughly half of humanity lives under what the WRI calls “highly water-stressed conditions” for at least one month a year.

Adapting will require not only new technology but also a new politics. Villages, regions and countries will need to collaborate to share scarce water and build flood defences. The needs of farmers, who use 70% of the world’s freshwater, must be balanced with those of the urbanites they feed, as well as industry. In short, a politics of trust, give-and-take and long-term planning is needed. Yet the spread of “them-and-us” demagoguery makes this harder. A global study by Jens Marquardt and Markus Lederer of the University of Darmstadt notes that populists stir up anger, sow distrust of science and dismiss climate policies as the agenda of liberal elites.

Around 97% of the water on Earth sits in the salty ocean; land-, lake- and river-bound life depends on the remaining 3%. Although the amount of water on Earth is immutable, the daedal workings that move it around are not. The water cycle is made up of a dizzying number of processes, many of them non-linear, which operate across manifold timescales and areas. All are, ultimately, driven by the energy of the sun, which makes seawater evaporate, plants transpire and, by disproportionately heating the tropics, powers ocean currents and weather systems.

Global warming alters the ways water behaves. It intensifies the water cycle, increasing the severity of both very wet events and very dry ones . Warmer air can hold more moisture, which also evaporates more readily out of warmer oceans. More moisture in the atmosphere means more water falls back as rain or snow. This increases the likelihood of heavier deluges in wet regions —and of less potential precipitation in drier spots. “Thirsty” air there is more likely to suck moisture out of the soil, prolonging and worsening droughts.

The UN reckons that flooding affected around 1.6bn people between 2002 and 2021, killing nearly 100,000 and causing economic losses of over $830bn. Droughts in the same period affected 1.4bn, killed over 20,000 and cost $170bn. The World Bank estimates that by 2099, the global supply of freshwater per head will fall by 29% from what it was in 2000; and by a massive 67% in Africa, while rising by 28% in Europe (see chart).

In Chile, “too little” is becoming a crisis for which politics is nowhere close to finding a solution. It is the most water-stressed country in South America. “Santiago [the sprawling capital] is all right now, but in ten years’ time it might not be,” warns Jessica López, the minister for public works.

For centuries, Chileans who wanted water simply took it from streams and rivers, or sank wells to pump groundwater. But as parts of the country dry up, water rules written in wetter times are increasingly out of date. Intense distrust between left and right—in a country that has seen massive protests in recent years—makes them hard to revise.

Conservative governments granted many landowners “water rights”, allowing them to pump a generous amount each day, free of charge and for ever. Today, the total volume of granted water rights far exceeds what can sustainably be extracted. So farmers like Mr Meneses have had to sit down with their local water association and agree on how much everyone can pump. Yet some people cheat, sinking illicit boreholes. Tension between big farmers, small farmers and villagers is high. “We’re surrounded by farms with illegal wells, and that’s why we have no water,” says Erica Díaz, a hard-up villager who relies on water trucks and recycles her washing-up water onto her vegetable patch.

Conservative Chilean landowners think of “water rights” as a natural part of property rights. But water is not like land. A house need not encroach upon a neighbour; but a well depletes groundwater for everyone. Granting a fixed volume of water rights in perpetuity is nuts.

Meanwhile, politicians and activists on the Chilean left push the notion that water is a human right. A draft constitution , backed by the current government but rejected by voters in 2022, referred to “water” 71 times, affirming everyone’s right to it, especially if they were poor or indigenous. Yet the draft gave little clue as to how that water might be delivered.

The trickiness of water politics is on display at a meeting of small farmers in Punitaqui, a town in northern Chile. Everyone agrees water is too scarce. Some farmers complain big companies have taken an unfair share. Others complain of widespread criminality—including a water inspector getting death threats. An expert shows how to use ultrasound to detect leaks, which are common. Yet many farmers in the room admit they don’t even know where their local pipes are buried.

In one sense Chile has plenty of water: to the west is the Pacific Ocean. But getting a permit to build a desalination plant can take more than a decade. The problems are political more than technical. Just for permission to use a bit of shoreline for a plant, a firm must apply to the ministry of defence—taking three or four years. The archaeological-monuments council needs to be assured nothing of cultural interest is being damaged. That can take another three or four years. And then transporting water is a bureaucratic morass.

Chile needs to think about water logically, says Ulrike Broschek of Fundación Chile, a think-tank. Desalination is useful, but unless powered by renewable energy it is bad for the climate. By one estimate, global emissions from desalination could match all of those from Britain by 2025.

In Chile, bigger, cheaper gains are there to be made. Farms, which account for four-fifths of water use, could use more drip irrigation and hydroponics. If farmers paid directly for water, they would use it more efficiently. Cities, instead of having impermeable pavement everywhere, could use “rain gardens” to capture rain and replenish the groundwater below. And the rules need to be simpler: 56 public bodies regulate water, with no overall co-ordinator, points out Ms Broschek.

Ms López, at least, offers an encouragingly pragmatic view. A pending bill will speed up permits for desalination, she promises, and more water infrastructure will be built. More broadly, she argues that water “needs to have an appropriate price”.

Elsewhere, sensible water pricing is as rare as it is necessary. Even in places where it has been shown to work, it can be politically fraught. Take Australia, another dry country where farmers use more water than everyone else combined. Federal and state governments thrashed out an agreement in 2012 to conserve water in the Murray-Darling Basin, Australia’s biggest system of interconnecting rivers. It relied on an existing scheme allowing farmers to buy or sell water entitlements. The goal was to save 3,200 gigalitres (gl) by 2024, either by “buying back” entitlements from farmers or by investing in projects that could save equivalent amounts, such as more-efficient irrigation systems.

Australia has conserved about 2,130gl of water, equivalent to over 20% of what was previously consumed. Meanwhile, farm output has risen. It helps greatly that the country is rich. The government has pumped A$13bn ($8.8bn) into water-saving. Systems for measuring water use are sophisticated. When Malcolm Holm, a dairy farmer, needs to irrigate his pastures, he orders water online. Sensors measure out the volumes. Locks are raised, and it trickles into his fields. The system sustains his 1,200 cattle.

Yet nearly everyone is unhappy. Environmentalists say the targets should be more ambitious. Farmers say they are too strict. No one is forced to sell their water to the government, but because many do, the system reduces the total amount available to trade for irrigation. This is one reason why water prices have risen in the past decade. That is the point: higher prices spur conservation. But they also threaten rural livelihoods. Protests have erupted in rural New South Wales. “Pre-schools are struggling to get children in. Footy clubs haven’t got enough players,” says Linda Fawns, a councillor in Deniliquin, a small town. A local agricultural mechanic, Jamie Tasker, claims the government is “scaremongering” about the environment and squeezing irrigation to shore up city votes.

Almost nine out of ten Australians live in cities, and politicians, certainly, do not want their taps to run dry. But priorities change as parties alternate in power. The (conservative) Liberal Party, which is more pro-farmer and reluctant to do much about climate change, stopped doing water buybacks. The Labor Party, in federal power since 2022, resumed them.

And then there is water theft. Last year a farmer was fined a mere A$150,000 for stealing over A$1.1m-worth of groundwater. “Theft is a business model, because fines don’t fit the crime,” grumbles Robert McBride, an outback sheep farmer.

In 2026 the Murray-Darling plan comes up for review. As droughts grow worse, the government ought to buy back more water, thus raising water prices and driving the least water-efficient farms out of business. They won’t go quietly.

From conflict to compromise

If the politics of water is touchy in well-off, stable places like Australia and Chile, it is explosive in poorer countries. In many of them, climate change seems to be making the weather more erratic, for example by magnifying the variability inherent in the El Niño-Southern Oscillation , a global driver of monsoons and their rains.

In April and May floods in Kenya were the worst in memory, with bridges, schools and railways destroyed. Perhaps 300 people died. Following years of drought, the government was caught off-guard, says Kennedy Odede of SHOFCO , an NGO serving Kenya’s slums. “When it started raining, people were happy. Nobody was expecting there to be too much.”

The government should have been better informed. Persistent drought paves the way for flooding, because the soil hardens and the water has nowhere to go but sideways. Kenya’s populist president, William Ruto, ignored warnings last year of impending floods.

Benninah Nazau, a vegetable-hawker in Mathare, a Nairobi slum, recalls rain pounding on her tin roof at 5pm on April 23rd. When she peered out, she saw tables and chairs swept along by the nearby river. By 1am the water was surging through her home. She grabbed her five children and took them to higher ground, unable to salvage any possessions. “It was life or death.” Neighbours were carried off in the deluge.

Political dysfunction makes cities less resilient. Rules barring the construction of homes dangerously close to watercourses are ignored (Ms Nazau’s home was only six metres away). Landowners bribe officials in order to flout planning codes. Builders pave over wetlands.

Whereas scarcity has an obvious solution—higher prices—the problem of too much water does not. Flood defences must be built and people discouraged from living in the riskiest places. But where, and how? Kenya’s government is sponsoring tree-planting along Nairobi’s river banks, to help hold back future floods. A moratorium has been placed on new building permits in the city. Officials are evicting people from homes built 30 metres or less from the riverbanks and destroying the buildings. In the worst-affected part of Mathare, all that remains is rubble and a stench of sewage. Compensation for each household was 10,000 shillings ($77.60).

Many residents are resisting by refusing to leave their shacks. Others want more compensation. Many distrust the government, widely seen as corrupt. Some Kenyans even think politicians deliberately caused the flooding, to pave the way for the slum clearances that followed. Belief in such far-fetched conspiracy theories makes co-operation between state and citizens less likely.

Squabbles over water can turn violent. The Water, Peace and Security partnership, a global body, crunches data to predict water-related conflicts. Its latest update, in June, noted that herders and farmers across the Sahel are fighting over scarce water. Drought-related skirmishes are expected in South Africa, Madagascar and Mozambique, and floods in Iran and Afghanistan have displaced populations into areas where they may not be welcome.

Tensions between states are common, too. As rivers grow more erratic, negotiations between downstream countries and upstream ones may grow more fraught. Dry countries (such as China and the Gulf states) are buying up farmland in Africa and the Americas to secure future supplies of food. In effect, they are importing vast quantities of water in the form of wheat and soyabeans. This could become a political flashpoint.

Water wars between states are fortunately rare. But Egypt is furious about an Ethiopian dam that could disrupt its access to the Nile river, from which it gets nine-tenths of its water. Talks over how to share the water keep failing. Egyptian officials hint they might go to war. They may be bluffing, but no one can be sure.

To avoid water wars, countries need to use water more efficiently (Egypt wastes it copiously) and negotiate more amicably. Much work needs to be done in both areas. The world spends roughly 0.5% of GDP on water, the World Bank estimates, but 28% of allocated public funds go unspent. Meanwhile, a typical water utility has “efficiency losses” (leaks and theft) of around 16%. As for amicable haggling, three-fifths of the world’s 310 international river basins lack frameworks to govern disputes.

Another thing that makes water policy hard is that many people—such as those whose homes are too costly to defend from floods, or whose crops wither—will eventually have to move. Chilean vineyards are already shifting south. Outback towns will shrink. Inundated Africans and Asians will keep migrating to cities or abroad.

Rich countries may be able to help compensate those whose homes and fields are rendered worthless, but the process will be disruptive everywhere. Nonetheless, it should be manageable. The WRI estimates that solving the world’s water crises would cost 1% of GDP per year until 2030, and that every $1 invested in sensible ways to do so would yield $6.80 in benefits. However, getting the politics right will require calm, collaborative leadership, disproving the epigram attributed, perhaps erroneously, to Mark Twain: “Whisky’s for drinking; water’s for fighting.” ■

For more coverage of climate change, sign up for the Climate Issue , our fortnightly subscriber-only newsletter, or visit our climate-change hub .

This article appeared in the International section of the print edition under the headline “The poisonous politics of water”

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Climate Change: Evidence and Causes: Update 2020 (2020)

Chapter: conclusion, c onclusion.

This document explains that there are well-understood physical mechanisms by which changes in the amounts of greenhouse gases cause climate changes. It discusses the evidence that the concentrations of these gases in the atmosphere have increased and are still increasing rapidly, that climate change is occurring, and that most of the recent change is almost certainly due to emissions of greenhouse gases caused by human activities. Further climate change is inevitable; if emissions of greenhouse gases continue unabated, future changes will substantially exceed those that have occurred so far. There remains a range of estimates of the magnitude and regional expression of future change, but increases in the extremes of climate that can adversely affect natural ecosystems and human activities and infrastructure are expected.

Citizens and governments can choose among several options (or a mixture of those options) in response to this information: they can change their pattern of energy production and usage in order to limit emissions of greenhouse gases and hence the magnitude of climate changes; they can wait for changes to occur and accept the losses, damage, and suffering that arise; they can adapt to actual and expected changes as much as possible; or they can seek as yet unproven “geoengineering” solutions to counteract some of the climate changes that would otherwise occur. Each of these options has risks, attractions and costs, and what is actually done may be a mixture of these different options. Different nations and communities will vary in their vulnerability and their capacity to adapt. There is an important debate to be had about choices among these options, to decide what is best for each group or nation, and most importantly for the global population as a whole. The options have to be discussed at a global scale because in many cases those communities that are most vulnerable control few of the emissions, either past or future. Our description of the science of climate change, with both its facts and its uncertainties, is offered as a basis to inform that policy debate.

A CKNOWLEDGEMENTS

The following individuals served as the primary writing team for the 2014 and 2020 editions of this document:

Eric Wolff FRS, (UK lead), University of Cambridge
Inez Fung (NAS, US lead), University of California, Berkeley
Brian Hoskins FRS, Grantham Institute for Climate Change
John F.B. Mitchell FRS, UK Met Office
Tim Palmer FRS, University of Oxford
Benjamin Santer (NAS), Lawrence Livermore National Laboratory
John Shepherd FRS, University of Southampton
Keith Shine FRS, University of Reading.
Susan Solomon (NAS), Massachusetts Institute of Technology
Kevin Trenberth, National Center for Atmospheric Research
John Walsh, University of Alaska, Fairbanks
Don Wuebbles, University of Illinois

Staff support for the 2020 revision was provided by Richard Walker, Amanda Purcell, Nancy Huddleston, and Michael Hudson. We offer special thanks to Rebecca Lindsey and NOAA Climate.gov for providing data and figure updates.

The following individuals served as reviewers of the 2014 document in accordance with procedures approved by the Royal Society and the National Academy of Sciences:

Richard Alley (NAS), Department of Geosciences, Pennsylvania State University
Alec Broers FRS, Former President of the Royal Academy of Engineering
Harry Elderfield FRS, Department of Earth Sciences, University of Cambridge
Joanna Haigh FRS, Professor of Atmospheric Physics, Imperial College London
Isaac Held (NAS), NOAA Geophysical Fluid Dynamics Laboratory
John Kutzbach (NAS), Center for Climatic Research, University of Wisconsin
Jerry Meehl, Senior Scientist, National Center for Atmospheric Research
John Pendry FRS, Imperial College London
John Pyle FRS, Department of Chemistry, University of Cambridge
Gavin Schmidt, NASA Goddard Space Flight Center
Emily Shuckburgh, British Antarctic Survey
Gabrielle Walker, Journalist
Andrew Watson FRS, University of East Anglia

The Support for the 2014 Edition was provided by NAS Endowment Funds. We offer sincere thanks to the Ralph J. and Carol M. Cicerone Endowment for NAS Missions for supporting the production of this 2020 Edition.

F OR FURTHER READING

For more detailed discussion of the topics addressed in this document (including references to the underlying original research), see:

Intergovernmental Panel on Climate Change (IPCC), 2019: Special Report on the Ocean and Cryosphere in a Changing Climate [ https://www.ipcc.ch/srocc ]
National Academies of Sciences, Engineering, and Medicine (NASEM), 2019: Negative Emissions Technologies and Reliable Sequestration: A Research Agenda [ https://www.nap.edu/catalog/25259 ]
Royal Society, 2018: Greenhouse gas removal [ https://raeng.org.uk/greenhousegasremoval ]
U.S. Global Change Research Program (USGCRP), 2018: Fourth National Climate Assessment Volume II: Impacts, Risks, and Adaptation in the United States [ https://nca2018.globalchange.gov ]
IPCC, 2018: Global Warming of 1.5°C [ https://www.ipcc.ch/sr15 ]
USGCRP, 2017: Fourth National Climate Assessment Volume I: Climate Science Special Reports [ https://science2017.globalchange.gov ]
NASEM, 2016: Attribution of Extreme Weather Events in the Context of Climate Change [ https://www.nap.edu/catalog/21852 ]
IPCC, 2013: Fifth Assessment Report (AR5) Working Group 1. Climate Change 2013: The Physical Science Basis [ https://www.ipcc.ch/report/ar5/wg1 ]
NRC, 2013: Abrupt Impacts of Climate Change: Anticipating Surprises [ https://www.nap.edu/catalog/18373 ]
NRC, 2011: Climate Stabilization Targets: Emissions, Concentrations, and Impacts Over Decades to Millennia [ https://www.nap.edu/catalog/12877 ]
Royal Society 2010: Climate Change: A Summary of the Science [ https://royalsociety.org/topics-policy/publications/2010/climate-change-summary-science ]
NRC, 2010: America’s Climate Choices: Advancing the Science of Climate Change [ https://www.nap.edu/catalog/12782 ]

Much of the original data underlying the scientific findings discussed here are available at:

https://data.ucar.edu/
https://climatedataguide.ucar.edu
https://iridl.ldeo.columbia.edu
https://ess-dive.lbl.gov/
https://www.ncdc.noaa.gov/
https://www.esrl.noaa.gov/gmd/ccgg/trends/
http://scrippsco2.ucsd.edu
http://hahana.soest.hawaii.edu/hot/

was established to advise the United States on scientific and technical issues when President Lincoln signed a Congressional charter in 1863. The National Research Council, the operating arm of the National Academy of Sciences and the National Academy of Engineering, has issued numerous reports on the causes of and potential responses to climate change. Climate change resources from the National Research Council are available at .

is a self-governing Fellowship of many of the world’s most distinguished scientists. Its members are drawn from all areas of science, engineering, and medicine. It is the national academy of science in the UK. The Society’s fundamental purpose, reflected in its founding Charters of the 1660s, is to recognise, promote, and support excellence in science, and to encourage the development and use of science for the benefit of humanity. More information on the Society’s climate change work is available at

Climate change is one of the defining issues of our time. It is now more certain than ever, based on many lines of evidence, that humans are changing Earth's climate. The Royal Society and the US National Academy of Sciences, with their similar missions to promote the use of science to benefit society and to inform critical policy debates, produced the original Climate Change: Evidence and Causes in 2014. It was written and reviewed by a UK-US team of leading climate scientists. This new edition, prepared by the same author team, has been updated with the most recent climate data and scientific analyses, all of which reinforce our understanding of human-caused climate change.

Scientific information is a vital component for society to make informed decisions about how to reduce the magnitude of climate change and how to adapt to its impacts. This booklet serves as a key reference document for decision makers, policy makers, educators, and others seeking authoritative answers about the current state of climate-change science.

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Essay on Global Warming

Updated on
Apr 27, 2024

Being able to write an essay is an integral part of mastering any language. Essays form an integral part of many academic and scholastic exams like the SAT, and UPSC amongst many others. It is a crucial evaluative part of English proficiency tests as well like IELTS, TOEFL, etc. Major essays are meant to emphasize public issues of concern that can have significant consequences on the world. To understand the concept of Global Warming and its causes and effects, we must first examine the many factors that influence the planet’s temperature and what this implies for the world’s future. Here’s an unbiased look at the essay on Global Warming and other essential related topics.

Short Essay on Global Warming and Climate Change?

Since the industrial and scientific revolutions, Earth’s resources have been gradually depleted. Furthermore, the start of the world’s population’s exponential expansion is particularly hard on the environment. Simply put, as the population’s need for consumption grows, so does the use of natural resources , as well as the waste generated by that consumption.

Climate change has been one of the most significant long-term consequences of this. Climate change is more than just the rise or fall of global temperatures; it also affects rain cycles, wind patterns, cyclone frequencies, sea levels, and other factors. It has an impact on all major life groupings on the planet.

What is Global Warming?

Global warming is the unusually rapid increase in Earth’s average surface temperature over the past century, primarily due to the greenhouse gases released by people burning fossil fuels . The greenhouse gases consist of methane, nitrous oxide, ozone, carbon dioxide, water vapour, and chlorofluorocarbons. The weather prediction has been becoming more complex with every passing year, with seasons more indistinguishable, and the general temperatures hotter.

The number of hurricanes, cyclones, droughts, floods, etc., has risen steadily since the onset of the 21st century. The supervillain behind all these changes is Global Warming. The name is quite self-explanatory; it means the rise in the temperature of the Earth.

What are the Causes of Global Warming?

According to recent studies, many scientists believe the following are the primary four causes of global warming:

Deforestation
Greenhouse emissions
Carbon emissions per capita

Extreme global warming is causing natural disasters , which can be seen all around us. One of the causes of global warming is the extreme release of greenhouse gases that become trapped on the earth’s surface, causing the temperature to rise. Similarly, volcanoes contribute to global warming by spewing excessive CO2 into the atmosphere.

The increase in population is one of the major causes of Global Warming. This increase in population also leads to increased air pollution . Automobiles emit a lot of CO2, which remains in the atmosphere. This increase in population is also causing deforestation, which contributes to global warming.

The earth’s surface emits energy into the atmosphere in the form of heat, keeping the balance with the incoming energy. Global warming depletes the ozone layer, bringing about the end of the world. There is a clear indication that increased global warming will result in the extinction of all life on Earth’s surface.

Also Read: Land, Soil, Water, Natural Vegetation, and Wildlife Resources

Solutions for Global Warming

Of course, industries and multinational conglomerates emit more carbon than the average citizen. Nonetheless, activism and community effort are the only viable ways to slow the worsening effects of global warming. Furthermore, at the state or government level, world leaders must develop concrete plans and step-by-step programmes to ensure that no further harm is done to the environment in general.

Although we are almost too late to slow the rate of global warming, finding the right solution is critical. Everyone, from individuals to governments, must work together to find a solution to Global Warming. Some of the factors to consider are pollution control, population growth, and the use of natural resources.

One very important contribution you can make is to reduce your use of plastic. Plastic is the primary cause of global warming, and recycling it takes years. Another factor to consider is deforestation, which will aid in the control of global warming. More tree planting should be encouraged to green the environment. Certain rules should also govern industrialization. Building industries in green zones that affect plants and species should be prohibited.

Effects of Global Warming

Global warming is a real problem that many people want to disprove to gain political advantage. However, as global citizens, we must ensure that only the truth is presented in the media.

This decade has seen a significant impact from global warming. The two most common phenomena observed are glacier retreat and arctic shrinkage. Glaciers are rapidly melting. These are clear manifestations of climate change.

Another significant effect of global warming is the rise in sea level. Flooding is occurring in low-lying areas as a result of sea-level rise. Many countries have experienced extreme weather conditions. Every year, we have unusually heavy rain, extreme heat and cold, wildfires, and other natural disasters.

Similarly, as global warming continues, marine life is being severely impacted. This is causing the extinction of marine species as well as other problems. Furthermore, changes are expected in coral reefs, which will face extinction in the coming years. These effects will intensify in the coming years, effectively halting species expansion. Furthermore, humans will eventually feel the negative effects of Global Warming.

Also Read: Concept of Sustainable Development

Sample Essays on Global Warming

Here are some sample essays on Global Warming:

Essay on Global Warming Paragraph in 100 – 150 words

Global Warming is caused by the increase of carbon dioxide levels in the earth’s atmosphere and is a result of human activities that have been causing harm to our environment for the past few centuries now. Global Warming is something that can’t be ignored and steps have to be taken to tackle the situation globally. The average temperature is constantly rising by 1.5 degrees Celsius over the last few years.

The best method to prevent future damage to the earth, cutting down more forests should be banned and Afforestation should be encouraged. Start by planting trees near your homes and offices, participate in events, and teach the importance of planting trees. It is impossible to undo the damage but it is possible to stop further harm.

Essay on Global Warming in 250 Words

Over a long period, it is observed that the temperature of the earth is increasing. This affected wildlife, animals, humans, and every living organism on earth. Glaciers have been melting, and many countries have started water shortages, flooding, and erosion and all this is because of global warming.

No one can be blamed for global warming except for humans. Human activities such as gases released from power plants, transportation, and deforestation have increased gases such as carbon dioxide, CFCs, and other pollutants in the earth’s atmosphere. The main question is how can we control the current situation and build a better world for future generations. It starts with little steps by every individual.

Start using cloth bags made from sustainable materials for all shopping purposes, instead of using high-watt lights use energy-efficient bulbs, switch off the electricity, don’t waste water, abolish deforestation and encourage planting more trees. Shift the use of energy from petroleum or other fossil fuels to wind and solar energy. Instead of throwing out the old clothes donate them to someone so that it is recycled.

Donate old books, don’t waste paper. Above all, spread awareness about global warming. Every little thing a person does towards saving the earth will contribute in big or small amounts. We must learn that 1% effort is better than no effort. Pledge to take care of Mother Nature and speak up about global warming.

Essay on Global Warming in 500 Words

Global warming isn’t a prediction, it is happening! A person denying it or unaware of it is in the most simple terms complicit. Do we have another planet to live on? Unfortunately, we have been bestowed with this one planet only that can sustain life yet over the years we have turned a blind eye to the plight it is in. Global warming is not an abstract concept but a global phenomenon occurring ever so slowly even at this moment. Global Warming is a phenomenon that is occurring every minute resulting in a gradual increase in the Earth’s overall climate. Brought about by greenhouse gases that trap the solar radiation in the atmosphere, global warming can change the entire map of the earth, displacing areas, flooding many countries, and destroying multiple lifeforms. Extreme weather is a direct consequence of global warming but it is not an exhaustive consequence. There are virtually limitless effects of global warming which are all harmful to life on earth. The sea level is increasing by 0.12 inches per year worldwide. This is happening because of the melting of polar ice caps because of global warming. This has increased the frequency of floods in many lowland areas and has caused damage to coral reefs. The Arctic is one of the worst-hit areas affected by global warming. Air quality has been adversely affected and the acidity of the seawater has also increased causing severe damage to marine life forms. Severe natural disasters are brought about by global warming which has had dire effects on life and property. As long as mankind produces greenhouse gases, global warming will continue to accelerate. The consequences are felt at a much smaller scale which will increase to become drastic shortly. The power to save the day lies in the hands of humans, the need is to seize the day. Energy consumption should be reduced on an individual basis. Fuel-efficient cars and other electronics should be encouraged to reduce the wastage of energy sources. This will also improve air quality and reduce the concentration of greenhouse gases in the atmosphere. Global warming is an evil that can only be defeated when fought together. It is better late than never. If we all take steps today, we will have a much brighter future tomorrow. Global warming is the bane of our existence and various policies have come up worldwide to fight it but that is not enough. The actual difference is made when we work at an individual level to fight it. Understanding its import now is crucial before it becomes an irrevocable mistake. Exterminating global warming is of utmost importance and each one of us is as responsible for it as the next.

Also Read: Essay on Library: 100, 200 and 250 Words

Essay on Global Warming UPSC

Always hear about global warming everywhere, but do we know what it is? The evil of the worst form, global warming is a phenomenon that can affect life more fatally. Global warming refers to the increase in the earth’s temperature as a result of various human activities. The planet is gradually getting hotter and threatening the existence of lifeforms on it. Despite being relentlessly studied and researched, global warming for the majority of the population remains an abstract concept of science. It is this concept that over the years has culminated in making global warming a stark reality and not a concept covered in books. Global warming is not caused by one sole reason that can be curbed. Multifarious factors cause global warming most of which are a part of an individual’s daily existence. Burning of fuels for cooking, in vehicles, and for other conventional uses, a large amount of greenhouse gases like carbon dioxide, and methane amongst many others is produced which accelerates global warming. Rampant deforestation also results in global warming as lesser green cover results in an increased presence of carbon dioxide in the atmosphere which is a greenhouse gas. Finding a solution to global warming is of immediate importance. Global warming is a phenomenon that has to be fought unitedly. Planting more trees can be the first step that can be taken toward warding off the severe consequences of global warming. Increasing the green cover will result in regulating the carbon cycle. There should be a shift from using nonrenewable energy to renewable energy such as wind or solar energy which causes less pollution and thereby hinder the acceleration of global warming. Reducing energy needs at an individual level and not wasting energy in any form is the most important step to be taken against global warming. The warning bells are tolling to awaken us from the deep slumber of complacency we have slipped into. Humans can fight against nature and it is high time we acknowledged that. With all our scientific progress and technological inventions, fighting off the negative effects of global warming is implausible. We have to remember that we do not inherit the earth from our ancestors but borrow it from our future generations and the responsibility lies on our shoulders to bequeath them a healthy planet for life to exist.

Climate Change and Global Warming Essay

Global Warming and Climate Change are two sides of the same coin. Both are interrelated with each other and are two issues of major concern worldwide. Greenhouse gases released such as carbon dioxide, CFCs, and other pollutants in the earth’s atmosphere cause Global Warming which leads to climate change. Black holes have started to form in the ozone layer that protects the earth from harmful ultraviolet rays.

Human activities have created climate change and global warming. Industrial waste and fumes are the major contributors to global warming.

Another factor affecting is the burning of fossil fuels, deforestation and also one of the reasons for climate change. Global warming has resulted in shrinking mountain glaciers in Antarctica, Greenland, and the Arctic and causing climate change. Switching from the use of fossil fuels to energy sources like wind and solar.

When buying any electronic appliance buy the best quality with energy savings stars. Don’t waste water and encourage rainwater harvesting in your community.

Tips to Write an Essay

Writing an effective essay needs skills that few people possess and even fewer know how to implement. While writing an essay can be an assiduous task that can be unnerving at times, some key pointers can be inculcated to draft a successful essay. These involve focusing on the structure of the essay, planning it out well, and emphasizing crucial details.

Mentioned below are some pointers that can help you write better structure and more thoughtful essays that will get across to your readers:

Prepare an outline for the essay to ensure continuity and relevance and no break in the structure of the essay
Decide on a thesis statement that will form the basis of your essay. It will be the point of your essay and help readers understand your contention
Follow the structure of an introduction, a detailed body followed by a conclusion so that the readers can comprehend the essay in a particular manner without any dissonance.
Make your beginning catchy and include solutions in your conclusion to make the essay insightful and lucrative to read
Reread before putting it out and add your flair to the essay to make it more personal and thereby unique and intriguing for readers

Also Read: I Love My India Essay: 100 and 500+ Words in English for School Students

Ans. Both natural and man-made factors contribute to global warming. The natural one also contains methane gas, volcanic eruptions, and greenhouse gases. Deforestation, mining, livestock raising, burning fossil fuels, and other man-made causes are next.

Ans. The government and the general public can work together to stop global warming. Trees must be planted more often, and deforestation must be prohibited. Auto usage needs to be curbed, and recycling needs to be promoted.

Ans. Switching to renewable energy sources , adopting sustainable farming, transportation, and energy methods, and conserving water and other natural resources.

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Digvijay Singh

Having 2+ years of experience in educational content writing, withholding a Bachelor's in Physical Education and Sports Science and a strong interest in writing educational content for students enrolled in domestic and foreign study abroad programmes. I believe in offering a distinct viewpoint to the table, to help students deal with the complexities of both domestic and foreign educational systems. Through engaging storytelling and insightful analysis, I aim to inspire my readers to embark on their educational journeys, whether abroad or at home, and to make the most of every learning opportunity that comes their way.

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Fossil fuels – coal, oil and gas – are by far the largest contributor to global climate change, accounting for over 75 per cent of global greenhouse gas emissions and nearly 90 per cent of all carbon dioxide emissions. As greenhouse gas emissions blanket the Earth, they trap the sun’s heat. This leads to global warming and climate change. The world is now warming faster than at any point in recorded history. Warmer temperatures over time are changing weather patterns and disrupting the usual balance of nature. This poses many risks to human beings and all other forms of life on Earth.

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Heatwaves put bees at risk

Eleven-year-old Markela is a fifth generation beekeeper, but climate change is making it so that she may not be able to carry on the family tradition. Wildfires, heatwaves, and droughts that are increasing in intensity and frequency due to the climate crisis, put bees and the ecosystems at risk.

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As Central Asia grapples with the increasing frequency and severity of climate-induced hazards, the importance of robust early warning systems cannot be overstated. However, countries need both technical knowledge and resources to effectively implement these systems on a large scale. Japan has been a reliable ally for countries, helping advance early warning systems and increase resilience in the region.

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ENCYCLOPEDIC ENTRY

Climate change.

Climate change is a long-term shift in global or regional climate patterns. Often climate change refers specifically to the rise in global temperatures from the mid-20th century to present.

Earth Science, Climatology

Fracking tower

Fracking is a controversial form of drilling that uses high-pressure liquid to create cracks in underground shale to extract natural gas and petroleum. Carbon emissions from fossils fuels like these have been linked to global warming and climate change.

Photograph by Mark Thiessen / National Geographic

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Climate is sometimes mistaken for weather. But climate is different from weather because it is measured over a long period of time, whereas weather can change from day to day, or from year to year. The climate of an area includes seasonal temperature and rainfall averages, and wind patterns. Different places have different climates. A desert, for example, is referred to as an arid climate because little water falls, as rain or snow, during the year. Other types of climate include tropical climates, which are hot and humid , and temperate climates, which have warm summers and cooler winters.

Climate change is the long-term alteration of temperature and typical weather patterns in a place. Climate change could refer to a particular location or the planet as a whole. Climate change may cause weather patterns to be less predictable. These unexpected weather patterns can make it difficult to maintain and grow crops in regions that rely on farming because expected temperature and rainfall levels can no longer be relied on. Climate change has also been connected with other damaging weather events such as more frequent and more intense hurricanes, floods, downpours, and winter storms.

In polar regions, the warming global temperatures associated with climate change have meant ice sheets and glaciers are melting at an accelerated rate from season to season. This contributes to sea levels rising in different regions of the planet. Together with expanding ocean waters due to rising temperatures, the resulting rise in sea level has begun to damage coastlines as a result of increased flooding and erosion.

The cause of current climate change is largely human activity, like burning fossil fuels , like natural gas, oil, and coal. Burning these materials releases what are called greenhouse gases into Earth’s atmosphere . There, these gases trap heat from the sun’s rays inside the atmosphere causing Earth’s average temperature to rise. This rise in the planet's temperature is called global warming. The warming of the planet impacts local and regional climates. Throughout Earth's history, climate has continually changed. When occuring naturally, this is a slow process that has taken place over hundreds and thousands of years. The human influenced climate change that is happening now is occuring at a much faster rate.

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Our Future Is Now - A Climate Change Essay by Francesca Minicozzi, '21

Francesca Minicozzi (class of 2021) is a Writing/Biology major who plans to study medicine after graduation. She wrote this essay on climate change for WR 355/Travel Writing, which she took while studying abroad in Newcastle in spring 2020. Although the coronavirus pandemic curtailed Francesca’s time abroad, her months in Newcastle prompted her to learn more about climate change. Terre Ryan Associate Professor, Writing Department

Our Future Is Now

By Francesca Minicozzi, '21 Writing and Biology Major

“If you don’t mind me asking, how is the United States preparing for climate change?” my flat mate, Zac, asked me back in March, when we were both still in Newcastle. He and I were accustomed to asking each other about the differences between our home countries; he came from Cambridge, while I originated in Long Island, New York. This was one of our numerous conversations about issues that impact our generation, which we usually discussed while cooking dinner in our communal kitchen. In the moment of our conversation, I did not have as strong an answer for him as I would have liked. Instead, I informed him of the few changes I had witnessed within my home state of New York.

Zac’s response was consistent with his normal, diplomatic self. “I have been following the BBC news in terms of the climate crisis for the past few years. The U.K. has been working hard to transition to renewable energy sources. Similar to the United States, here in the United Kingdom we have converted over to solar panels too. My home does not have solar panels, but a lot of our neighbors have switched to solar energy in the past few years.”

“Our two countries are similar, yet so different,” I thought. Our conversation continued as we prepared our meals, with topics ranging from climate change to the upcoming presidential election to Britain’s exit from the European Union. However, I could not shake the fact that I knew so little about a topic so crucial to my generation.

After I abruptly returned home from the United Kingdom because of the global pandemic, my conversation with my flat mate lingered in my mind. Before the coronavirus surpassed climate change headlines, I had seen the number of internet postings regarding protests to protect the planet dramatically increase. Yet the idea of our planet becoming barren and unlivable in a not-so-distant future had previously upset me to the point where a part of me refused to deal with it. After I returned from studying abroad, I decided to educate myself on the climate crisis.

My quest for climate change knowledge required a thorough understanding of the difference between “climate change” and “global warming.” Climate change is defined as “a pattern of change affecting global or regional climate,” based on “average temperature and rainfall measurements” as well as the frequency of extreme weather events. 1 These varied temperature and weather events link back to both natural incidents and human activity. 2 Likewise, the term global warming was coined “to describe climate change caused by humans.” 3 Not only that, but global warming is most recently attributed to an increase in “global average temperature,” mainly due to greenhouse gas emissions produced by humans. 4

I next questioned why the term “climate change” seemed to take over the term “global warming” in the United States. According to Frank Luntz, a leading Republican consultant, the term “global warming” functions as a rather intimidating phrase. During George W. Bush’s first presidential term, Luntz argued in favor of using the less daunting phrase “climate change” in an attempt to overcome the environmental battle amongst Democrats and Republicans. 5 Since President Bush’s term, Luntz remains just one political consultant out of many politicians who has recognized the need to address climate change. In an article from 2019, Luntz proclaimed that political parties aside, the climate crisis affects everyone. Luntz argued that politicians should steer clear of trying to communicate “the complicated science of climate change,” and instead engage voters by explaining how climate change personally impacts citizens with natural disasters such as hurricanes, tornadoes, and forest fires. 6 He even suggested that a shift away from words like “sustainability” would gear Americans towards what they really want: a “cleaner, safer, healthier” environment. 7

The idea of a cleaner and heathier environment remains easier said than done. The Paris Climate Agreement, introduced in 2015, began the United Nations’ “effort to combat global climate change.” 8 This agreement marked a global initiative to “limit global temperature increase in this century to 2 degrees Celsius above preindustrial levels,” while simultaneously “pursuing means to limit the increase to 1.5 degrees.” 9 Every country on earth has joined together in this agreement for the common purpose of saving our planet. 10 So, what could go wrong here? As much as this sounds like a compelling step in the right direction for climate change, President Donald Trump thought otherwise. In June 2017, President Trump announced the withdrawal of the United States from the Paris Agreement with his proclamation of climate change as a “’hoax’ perpetrated by China.” 11 President Trump continued to question the scientific facts behind climate change, remaining an advocate for the expansion of domestic fossil fuel production. 12 He reversed environmental policies implemented by former President Barack Obama to reduce fossil fuel use. 13

Trump’s actions against the Paris Agreement, however, fail to represent the beliefs of Americans as a whole. The majority of American citizens feel passionate about the fight against climate change. To demonstrate their support, some have gone as far as creating initiatives including America’s Pledge and We Are Still In. 14 Although the United States officially exited the Paris Agreement on November 4, 2020, this withdrawal may not survive permanently. 15 According to experts, our new president “could rejoin in as short as a month’s time.” 16 This offers a glimmer of hope.

The Paris Agreement declares that the United States will reduce greenhouse gas emission levels by 26 to 28 percent by the year 2025. 17 As a leader in greenhouse gas emissions, the United States needs to accept the climate crisis for the serious challenge that it presents and work together with other nations. The concept of working coherently with all nations remains rather tricky; however, I remain optimistic. I think we can learn from how other countries have adapted to the increased heating of our planet. During my recent study abroad experience in the United Kingdom, I was struck by Great Britain’s commitment to combating climate change.

Since the United Kingdom joined the Paris Agreement, the country targets a “net-zero” greenhouse gas emission for 2050. 18 This substantial alteration would mark an 80% reduction of greenhouse gases from 1990, if “clear, stable, and well-designed policies are implemented without interruption.” 19 In order to stay on top of reducing emissions, the United Kingdom tracks electricity and car emissions, “size of onshore and offshore wind farms,” amount of homes and “walls insulated, and boilers upgraded,” as well as the development of government policies, including grants for electric vehicles. 20 A strong grip on this data allows the United Kingdom to target necessary modifications that keep the country on track for 2050. In my brief semester in Newcastle, I took note of these significant changes. The city of Newcastle is small enough that many students and faculty are able to walk or bike to campus and nearby essential shops. However, when driving is unavoidable, the majority of the vehicles used are electric, and many British citizens place a strong emphasis on carpooling to further reduce emissions. The United Kingdom’s determination to severely reduce greenhouse emissions is ambitious and particularly admirable, especially as the United States struggles to shy away from its dependence on fossil fuels.

So how can we, as Americans, stand together to combat global climate change? Here are five adjustments Americans can make to their homes and daily routines that can dramatically make a difference:

Stay cautious of food waste. Studies demonstrate that “Americans throw away up to 40 percent of the food they buy.” 21 By being more mindful of the foods we purchase, opting for leftovers, composting wastes, and donating surplus food to those in need, we can make an individual difference that impacts the greater good. 22
Insulate your home. Insulation functions as a “cost-effective and accessible” method to combat climate change. 23 Homes with modern insulation reduce energy required to heat them, leading to a reduction of emissions and an overall savings; in comparison, older homes can “lose up to 35 percent of heat through their walls.” 24
Switch to LED Lighting. LED stands for “light-emitting diodes,” which use “90 percent less energy than incandescent bulbs and half as much as compact fluorescents.” 25 LED lights create light without producing heat, and therefore do not waste energy. Additionally, these lights have a longer duration than other bulbs, which means they offer a continuing savings. 26
Choose transportation wisely. Choose to walk or bike whenever the option presents itself. If walking or biking is not an option, use an electric or hybrid vehicle which emits less harmful gases. Furthermore, reduce the number of car trips taken, and carpool with others when applicable.
Finally, make your voice heard. The future of our planet remains in our hands, so we might as well use our voices to our advantage. Social media serves as a great platform for this. Moreover, using social media to share helpful hints to combat climate change within your community or to promote an upcoming protest proves beneficial in the long run. If we collectively put our voices to good use, together we can advocate for change.

As many of us are stuck at home due to the COVID-19 pandemic, these suggestions are slightly easier to put into place. With numerous “stay-at-home” orders in effect, Americans have the opportunity to make significant achievements for climate change. Personally, I have taken more precautions towards the amount of food consumed within my household during this pandemic. I have been more aware of food waste, opting for leftovers when too much food remains. Additionally, I have realized how powerful my voice is as a young college student. Now is the opportunity for Americans to share how they feel about climate change. During this unprecedented time, our voice is needed now more than ever in order to make a difference.

However, on a much larger scale, the coronavirus outbreak has shed light on reducing global energy consumption. Reductions in travel, both on the roads and in the air, have triggered a drop in emission rates. In fact, the International Energy Agency predicts a 6 percent decrease in energy consumption around the globe for this year alone. 27 This drop is “equivalent to losing the entire energy demand of India.” 28 Complete lockdowns have lowered the global demand for electricity and slashed CO2 emissions. However, in New York City, the shutdown has only decreased carbon dioxide emissions by 10 percent. 29 This proves that a shift in personal behavior is simply not enough to “fix the carbon emission problem.” 30 Climate policies aimed to reduce fossil fuel production and promote clean technology will be crucial steppingstones to ameliorating climate change effects. Our current reduction of greenhouse gas emissions serves as “the sort of reduction we need every year until net-zero emissions are reached around 2050.” 31 From the start of the coronavirus pandemic, politicians came together for the common good of protecting humanity; this demonstrates that when necessary, global leaders are capable of putting humankind above the economy. 32

After researching statistics comparing the coronavirus to climate change, I thought back to the moment the virus reached pandemic status. I knew that a greater reason underlay all of this global turmoil. Our globe is in dire need of help, and the coronavirus reminds the world of what it means to work together. This pandemic marks a turning point in global efforts to slow down climate change. The methods we enact towards not only stopping the spread of the virus, but slowing down climate change, will ultimately depict how humanity will arise once this pandemic is suppressed. The future of our home planet lies in how we treat it right now.

“Climate Change: What Do All the Terms Mean?,” BBC News (BBC, May 1, 2019), https://www.bbc.com/news/science-environment-48057733 )
Ibid.
Kate Yoder, “Frank Luntz, the GOP's Message Master, Calls for Climate Action,” Grist (Grist, July 26, 2019), https://grist.org/article/the-gops-most-famous-messaging-strategist-calls-for-climate-action
Melissa Denchak, “Paris Climate Agreement: Everything You Need to Know,” NRDC, April 29, 2020, https://www.nrdc.org/stories/paris-climate-agreement-everything-you-need-know)
“Donald J. Trump's Foreign Policy Positions,” Council on Foreign Relations (Council on Foreign Relations), accessed May 7, 2020, https://www.cfr.org/election2020/candidate-tracker/donald-j.-trump?gclid=CjwKCAjw4871BRAjEiwAbxXi21cneTRft_doA5if60euC6QCL7sr-Jwwv76IkgWaUTuyJNx9EzZzRBoCdjsQAvD_BwE#climate and energy )
David Doniger, “Paris Climate Agreement Explained: Does Congress Need to Sign Off?,” NRDC, December 15, 2016, https://www.nrdc.org/experts/david-doniger/paris-climate-agreement-explained-does-congress-need-sign )
“How the UK Is Progressing,” Committee on Climate Change, March 9, 2020, https://www.theccc.org.uk/what-is-climate-change/reducing-carbon-emissions/how-the-uk-is-progressing/)
Ibid.
“Top 10 Ways You Can Fight Climate Change,” Green America, accessed May 7, 2020, https://www.greenamerica.org/your-green-life/10-ways-you-can-fight-climate-change )
Matt McGrath, “Climate Change and Coronavirus: Five Charts about the Biggest Carbon Crash,” BBC News (BBC, May 5, 2020), https://www.bbc.com/news/amp/science-environment-52485712 )

Environment

How to write the perfect essay on climate change.

Writing an essay on green living or other environmental issues can be difficult. You need to make sure that you get your points right. One of the issues is that environmental research is changing at a breathtaking pace, so it is easy to use outdated data to make your point.

Creating the Perfect Essay on Climate Change or Any Environmental Topic

Essay writing is a task which poses an immense challenge to many students. This is because it not only has many requirements, but also requires one to have professional writing skills to produce a top-notch paper. This is especially complicated for climate change papers.

Additionally, many students find it hard to distinguish the type of paper they are writing. Hence, they end up producing the wrong article. Environmental science professors and instructors often give college and university students writing assignments.

You can always hire a professional paper writer to help you. However, you will learn more if you go through the process on your own. But how can you write a paper easily with limited time as a student?

You need to be familiar with the concepts behind climate change if you are planning on writing a paper on it. You should start by looking at previous papers and research on the topic. Global Change has a large list of all major climate change papers .

However, you are going to need to write your own paper and it needs to meet the school’s quality standards. It is up to you to ensure that you understand the distinction between various types of essay writing tasks. Cody Rhodes has been gracious enough to speak with us to clarify what a descriptive essay is and the goal or objective of writing one. Rhodes has said that there are a lot of great insights for people learning to create better papers on climate change.

What is a descriptive essay on Climate Change?

Before we go deeper into descriptive essay writing tips, you need to know what a descriptive essay is. A descriptive essay is a type of academic writing which involves describing a specific place, event, or person to the readers. You must do this in a way that creates a portrait in their minds by engaging their senses: touch, sound, smell, sight, and taste. Your ability to do this guarantees your success. Before you write your descriptive essay, you need to lay the foundation of the entire work.

Choose a topic related to climate change or green living

What topic is best for climate change? You can’t just focus on climate change in general , Rhodes tells us. He says that you need to get into the nuances of specific elements of the subject. You might want to talk about the fact that the minimum arctic ice levels have fallen over 12% a decade since the 1980s . Covering a very specific climate change topic makes things easier.

So, you need to select a topic which you can write a lot about. Your professor may give you one or they may leave it up to you to choose. So, ensure you pick a topic which allows you to convey your opinion about it through your description of it and how you want things laid out for the audience.

Also, you must ensure you structure your essay in a way that helps your topic to have meaning or make sense. A description of an event has paragraphs arranged chronologically, whereas a description of a person or a place has paragraphs arranged generally so that it allows you to go deeper into the specifics. The introduction paragraph of your essay should set out the key points you will discuss in your article as it sets the tone for the rest of the paper.

But what do you do once you’ve chosen your topic? If you need to learn how to write a descriptive essay about a place, event or person consider the following tips.

Do statement

Now that you have chosen a topic, develop a thesis statement for your climate change topic. An example could be “The hospitality sector’s global initiative has contributed to the climate crisis.”

A thesis statement is a statement which holds or supports the argument in the topic of your paper. Additionally, it lays out the purpose of the essay. It is prominent throughout the entire paper. Hence, when creating it, you need to make it precise, avoid clichés, and include it in the introductory paragraph.

Engage your readers’ senses

The audience will be able to comprehend what your paper is about if you create an image in their minds by engaging their senses. So, how do you get the senses right?

Take a sheet of paper and partition it into five columns. Note down all the senses. This will help you sort your thoughts and ideas as you elucidate your topic. Write any feelings or sensations which relate to the topic you are writing about. Back up your thesis statement by providing full sensory details. Utilize literary tools to perfect your paper such as personification, similes, and metaphors.

Write an outline

Once you get the senses right, you can proceed to the next step, which is creating a descriptive essay outline. A descriptive essay outline is essential in writing a descriptive essay as it not only acts as a road map to your essay but also simplifies the writing process. Additionally, it helps to show how the structure of your paper ought to appear. A descriptive essay outline constitutes three main components: the introduction body, and conclusion.

Develop a strong hook which will capture the attention of your audience. They need to be attracted to your paper by reading the introduction. Also, remember to include the thesis statement.
Writing a descriptive paragraph(s)is not easy if you do not have a thesis statement. This is because it is where you provide support or backup the thesis statement (shows the purpose of your essay). So, ensure you begin each paragraph with a topic sentence. Use transitional phrases to show the readers that your essay is continuous.
Conclude your paper with a summary of your main points. Restate your thesis statement.

Create a conclusion

The conclusion of your descriptive essay is fundamental as it shows the reader(s) that your article has come to an end. It needs to be strong, especially if you are trying to make a case in a subject as controversial as climate change.

So, when creating it, ensure you provide a summary of your key points. Restate your thesis statement. Also, remember not to include any new information which you have not mentioned in your paper.

If you do not know how to structure a descriptive essay, follow the format above or have a look at some of the descriptive essay examples written by other students or professionals.

Polish and finish

You can begin writing your essay now that you have a guiding map (outline) you can use. After writing your paper, ensure you take a break then resume to revise it. Go through it and eliminate all the mistakes you may have made during the writing process. Polish it in a way that ensures you have met all the writing instructions and requirements.

Writing a Great Essay on Climate Change Doesn’t Have to Be Overwhelming

Climate change is a complicated topic . Fortunately, writing an essay on climate change doesn’t have to be overwhelming. Writing a descriptive essay on any environmental topic is not hard as long as you know the purpose it seeks to serve. The tips listed above along with someone from WriteMyPaperHub will help you learn how to write a descriptive essay on global warming.

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What Is Climate Change?

Climate change is a long-term change in the average weather patterns that have come to define Earth’s local, regional and global climates. These changes have a broad range of observed effects that are synonymous with the term.

Changes observed in Earth’s climate since the mid-20th century are driven by human activities, particularly fossil fuel burning, which increases heat-trapping greenhouse gas levels in Earth’s atmosphere, raising Earth’s average surface temperature. Natural processes, which have been overwhelmed by human activities, can also contribute to climate change, including internal variability (e.g., cyclical ocean patterns like El Niño, La Niña and the Pacific Decadal Oscillation) and external forcings (e.g., volcanic activity, changes in the Sun’s energy output , variations in Earth’s orbit ).

Scientists use observations from the ground, air, and space, along with computer models , to monitor and study past, present, and future climate change. Climate data records provide evidence of climate change key indicators, such as global land and ocean temperature increases; rising sea levels; ice loss at Earth’s poles and in mountain glaciers; frequency and severity changes in extreme weather such as hurricanes, heatwaves, wildfires, droughts, floods, and precipitation; and cloud and vegetation cover changes.

“Climate change” and “global warming” are often used interchangeably but have distinct meanings. Similarly, the terms "weather" and "climate" are sometimes confused, though they refer to events with broadly different spatial- and timescales.

What Is Global Warming?

Global warming is the long-term heating of Earth’s surface observed since the pre-industrial period (between 1850 and 1900) due to human activities, primarily fossil fuel burning, which increases heat-trapping greenhouse gas levels in Earth’s atmosphere. This term is not interchangeable with the term "climate change."

Since the pre-industrial period, human activities are estimated to have increased Earth’s global average temperature by about 1 degree Celsius (1.8 degrees Fahrenheit), a number that is currently increasing by more than 0.2 degrees Celsius (0.36 degrees Fahrenheit) per decade. The current warming trend is unequivocally the result of human activity since the 1950s and is proceeding at an unprecedented rate over millennia.

Weather vs. Climate

“if you don’t like the weather in new england, just wait a few minutes.” - mark twain.

Weather refers to atmospheric conditions that occur locally over short periods of time—from minutes to hours or days. Familiar examples include rain, snow, clouds, winds, floods, or thunderstorms.

Climate, on the other hand, refers to the long-term (usually at least 30 years) regional or even global average of temperature, humidity, and rainfall patterns over seasons, years, or decades.

Find Out More: A Guide to NASA’s Global Climate Change Website

This website provides a high-level overview of some of the known causes, effects and indications of global climate change:

Evidence. Brief descriptions of some of the key scientific observations that our planet is undergoing abrupt climate change.

Causes. A concise discussion of the primary climate change causes on our planet.

Effects. A look at some of the likely future effects of climate change, including U.S. regional effects.

Vital Signs. Graphs and animated time series showing real-time climate change data, including atmospheric carbon dioxide, global temperature, sea ice extent, and ice sheet volume.

Earth Minute. This fun video series explains various Earth science topics, including some climate change topics.

Other NASA Resources

Goddard Scientific Visualization Studio. An extensive collection of animated climate change and Earth science visualizations.

Sea Level Change Portal. NASA's portal for an in-depth look at the science behind sea level change.

NASA’s Earth Observatory. Satellite imagery, feature articles and scientific information about our home planet, with a focus on Earth’s climate and environmental change.

Header image is of Apusiaajik Glacier, and was taken near Kulusuk, Greenland, on Aug. 26, 2018, during NASA's Oceans Melting Greenland (OMG) field operations. Learn more here . Credit: NASA/JPL-Caltech

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Climate Change Essay

500+ words essay on climate change.

Climate change is the shift of weather patterns and conditions. We are experiencing rapid change in the climate due to various factors. Needless to say, our earth is experiencing rising global temperatures. Do you think it is a matter of concern? Well yes, you might have heard about the melting glaciers which is resulting in rising sea levels. There has been a drastic change in the climate due to hazardous factors such as pollution, burning coals, industrial waste disposal in the air, etc. All this will result in affecting the environment and its resources. To overcome the issue of climate change, you need to bring social awareness along with stringent measures to protect and preserve the environment. In this climate change essay, we are going to discuss the factors and how to prevent climate change.

What is Climate Change?

Climate change is the change in the average weather conditions. We can say that climate change is responsible for change in the normal climatic conditions. These changes result in heavy storms, heat waves, floods, melting glaciers, etc. Our earth is going through a lot of changes with respect to climate, which is impacting the livelihood of people and other living things. Global warming is one aspect of climate change. Due to these factors, carbon dioxide and greenhouse gases are released in the atmosphere. Check out the following causes of climate change given below.

Climate Change Factors Essay

Nowadays, we experience extreme weather conditions whether it is cold, heat or rain. Some of the forces or factors that contribute to climate change are greenhouse gas emission, burning of coal, deforestation, air pollution, industrial gas, etc. These factors lead to major climatic change in the earth. Did you know that climate change leads to disastrous events? Yes, it affects the livelihood, health and the resources. It also impacts the water, air and the land we live in. It leads to extreme weather conditions such as droughts, heavy rain, floods, storms, heat waves, forest fires, etc. Moreover, it reduces the quality of drinking water, damages property, pollutes the air and also leads to loss of life. Additionally, it is impacting the life of flora and fauna around us. We need to take extreme measures to prevent climate change.

Also explore: Learn more about the environment and climate change with Environment essay and Global warming Essay .

How To Prevent Climate Change Essay

As climate change is hampering the lives and resources of our earth, we need to look out for extreme measures to prevent climate change. Now, what can we do to prevent this? Is it possible for all of us to join and preserve nature? Yes, we can if appropriate strategies are implemented to combat climate change. The different ways to reduce climate change are mentioned below:

Make policies and agreements on climate change.
Implement projects on clean energy.
Create social awareness on climate change.
Prohibit deforestation and cutting down trees.
Conduct capacity building programs on climate change.
Keep the surroundings clean.
Avoid use of chemical fertilizers.
Reduce wastage of water and other natural resources.
Protect the flora and fauna.
Buy energy efficient products and appliances.
Plant more trees in the neighbourhood and surrounding areas.
Respect the environment and protect its resources.
Reduce the consumption of energy.

These are the ways to reduce climate change. If not implemented, you might see an increase in the weather conditions, shortage of drinking water, agricultural yields, and impact on livelihood. Therefore, you must focus on reducing anthropogenic activities so that you can breathe fresh air and drink clean water. These are the small steps to protect the environment and its resources.

We hope this climate change essay was useful to you. Check Osmo’s essays for kids to explore more essays on a wide variety of topics.

Frequently Asked Questions On Climate Change Essay

What is a climate change essay.

The climate change essay is information on changing weather conditions and its impact on the environment.

How to start a climate change essay?

You can start a climate change essay with an introduction, factors, and the ways to prevent climate change.

What are the main causes of climate change?

The main causes of climate change are deforestation, burning oils, chemical fertilizers, pollution and release of industrial waste in the air, etc.

To find more information, explore related articles such as technology essay and essay on internet .

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Table Of Contents

Human activity affects global surface temperatures by changing Earth ’s radiative balance—the “give and take” between what comes in during the day and what Earth emits at night. Increases in greenhouse gases —i.e., trace gases such as carbon dioxide and methane that absorb heat energy emitted from Earth’s surface and reradiate it back—generated by industry and transportation cause the atmosphere to retain more heat, which increases temperatures and alters precipitation patterns.

Global warming, the phenomenon of increasing average air temperatures near Earth’s surface over the past one to two centuries, happens mostly in the troposphere , the lowest level of the atmosphere, which extends from Earth’s surface up to a height of 6–11 miles. This layer contains most of Earth’s clouds and is where living things and their habitats and weather primarily occur.

Continued global warming is expected to impact everything from energy use to water availability to crop productivity throughout the world. Poor countries and communities with limited abilities to adapt to these changes are expected to suffer disproportionately. Global warming is already being associated with increases in the incidence of severe and extreme weather, heavy flooding , and wildfires —phenomena that threaten homes, dams, transportation networks, and other facets of human infrastructure. Learn more about how the IPCC’s Sixth Assessment Report, released in 2021, describes the social impacts of global warming.

Polar bears live in the Arctic , where they use the region’s ice floes as they hunt seals and other marine mammals . Temperature increases related to global warming have been the most pronounced at the poles, where they often make the difference between frozen and melted ice. Polar bears rely on small gaps in the ice to hunt their prey. As these gaps widen because of continued melting, prey capture has become more challenging for these animals.

Recent News

global warming , the phenomenon of increasing average air temperatures near the surface of Earth over the past one to two centuries. Climate scientists have since the mid-20th century gathered detailed observations of various weather phenomena (such as temperatures, precipitation , and storms) and of related influences on climate (such as ocean currents and the atmosphere’s chemical composition). These data indicate that Earth’s climate has changed over almost every conceivable timescale since the beginning of geologic time and that human activities since at least the beginning of the Industrial Revolution have a growing influence over the pace and extent of present-day climate change .

Giving voice to a growing conviction of most of the scientific community , the Intergovernmental Panel on Climate Change (IPCC) was formed in 1988 by the World Meteorological Organization (WMO) and the United Nations Environment Program (UNEP). The IPCC’s Sixth Assessment Report (AR6), published in 2021, noted that the best estimate of the increase in global average surface temperature between 1850 and 2019 was 1.07 °C (1.9 °F). An IPCC special report produced in 2018 noted that human beings and their activities have been responsible for a worldwide average temperature increase between 0.8 and 1.2 °C (1.4 and 2.2 °F) since preindustrial times, and most of the warming over the second half of the 20th century could be attributed to human activities.

AR6 produced a series of global climate predictions based on modeling five greenhouse gas emission scenarios that accounted for future emissions, mitigation (severity reduction) measures, and uncertainties in the model projections. Some of the main uncertainties include the precise role of feedback processes and the impacts of industrial pollutants known as aerosols , which may offset some warming. The lowest-emissions scenario, which assumed steep cuts in greenhouse gas emissions beginning in 2015, predicted that the global mean surface temperature would increase between 1.0 and 1.8 °C (1.8 and 3.2 °F) by 2100 relative to the 1850–1900 average. This range stood in stark contrast to the highest-emissions scenario, which predicted that the mean surface temperature would rise between 3.3 and 5.7 °C (5.9 and 10.2 °F) by 2100 based on the assumption that greenhouse gas emissions would continue to increase throughout the 21st century. The intermediate-emissions scenario, which assumed that emissions would stabilize by 2050 before declining gradually, projected an increase of between 2.1 and 3.5 °C (3.8 and 6.3 °F) by 2100.

Many climate scientists agree that significant societal, economic, and ecological damage would result if the global average temperature rose by more than 2 °C (3.6 °F) in such a short time. Such damage would include increased extinction of many plant and animal species, shifts in patterns of agriculture , and rising sea levels. By 2015 all but a few national governments had begun the process of instituting carbon reduction plans as part of the Paris Agreement , a treaty designed to help countries keep global warming to 1.5 °C (2.7 °F) above preindustrial levels in order to avoid the worst of the predicted effects. Whereas authors of the 2018 special report noted that should carbon emissions continue at their present rate, the increase in average near-surface air temperature would reach 1.5 °C sometime between 2030 and 2052, authors of the AR6 report suggested that this threshold would be reached by 2041 at the latest.

Combination shot of Grinnell Glacier taken from the summit of Mount Gould, Glacier National Park, Montana in the years 1938, 1981, 1998 and 2006.

The AR6 report also noted that the global average sea level had risen by some 20 cm (7.9 inches) between 1901 and 2018 and that sea level rose faster in the second half of the 20th century than in the first half. It also predicted, again depending on a wide range of scenarios, that the global average sea level would rise by different amounts by 2100 relative to the 1995–2014 average. Under the report’s lowest-emission scenario, sea level would rise by 28–55 cm (11–21.7 inches), whereas, under the intermediate emissions scenario, sea level would rise by 44–76 cm (17.3–29.9 inches). The highest-emissions scenario suggested that sea level would rise by 63–101 cm (24.8–39.8 inches) by 2100.

The scenarios referred to above depend mainly on future concentrations of certain trace gases, called greenhouse gases , that have been injected into the lower atmosphere in increasing amounts through the burning of fossil fuels for industry, transportation , and residential uses. Modern global warming is the result of an increase in magnitude of the so-called greenhouse effect , a warming of Earth’s surface and lower atmosphere caused by the presence of water vapour , carbon dioxide , methane , nitrous oxides , and other greenhouse gases. In 2014 the IPCC first reported that concentrations of carbon dioxide, methane, and nitrous oxides in the atmosphere surpassed those found in ice cores dating back 800,000 years.

Of all these gases, carbon dioxide is the most important, both for its role in the greenhouse effect and for its role in the human economy. It has been estimated that, at the beginning of the industrial age in the mid-18th century, carbon dioxide concentrations in the atmosphere were roughly 280 parts per million (ppm). By the end of 2022 they had risen to 419 ppm, and, if fossil fuels continue to be burned at current rates, they are projected to reach 550 ppm by the mid-21st century—essentially, a doubling of carbon dioxide concentrations in 300 years.

What's the problem with an early spring?

A vigorous debate is in progress over the extent and seriousness of rising surface temperatures, the effects of past and future warming on human life, and the need for action to reduce future warming and deal with its consequences. This article provides an overview of the scientific background related to the subject of global warming. It considers the causes of rising near-surface air temperatures, the influencing factors, the process of climate research and forecasting, and the possible ecological and social impacts of rising temperatures. For an overview of the public policy developments related to global warming occurring since the mid-20th century, see global warming policy . For a detailed description of Earth’s climate, its processes, and the responses of living things to its changing nature, see climate . For additional background on how Earth’s climate has changed throughout geologic time , see climatic variation and change . For a full description of Earth’s gaseous envelope, within which climate change and global warming occur, see atmosphere .

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The Science of Climate Change Explained: Facts, Evidence and Proof

Definitive answers to the big questions.

Credit... Photo Illustration by Andrea D'Aquino

Supported by

By Julia Rosen

Ms. Rosen is a journalist with a Ph.D. in geology. Her research involved studying ice cores from Greenland and Antarctica to understand past climate changes.

Published April 19, 2021 Updated Nov. 6, 2021

The science of climate change is more solid and widely agreed upon than you might think. But the scope of the topic, as well as rampant disinformation, can make it hard to separate fact from fiction. Here, we’ve done our best to present you with not only the most accurate scientific information, but also an explanation of how we know it.

How do we know climate change is really happening?

How much agreement is there among scientists about climate change?
Do we really only have 150 years of climate data? How is that enough to tell us about centuries of change?
How do we know climate change is caused by humans?
Since greenhouse gases occur naturally, how do we know they’re causing Earth’s temperature to rise?
Why should we be worried that the planet has warmed 2°F since the 1800s?
Is climate change a part of the planet’s natural warming and cooling cycles?
How do we know global warming is not because of the sun or volcanoes?
How can winters and certain places be getting colder if the planet is warming?
Wildfires and bad weather have always happened. How do we know there’s a connection to climate change?
How bad are the effects of climate change going to be?
What will it cost to do something about climate change, versus doing nothing?

Climate change is often cast as a prediction made by complicated computer models. But the scientific basis for climate change is much broader, and models are actually only one part of it (and, for what it’s worth, they’re surprisingly accurate ).

For more than a century , scientists have understood the basic physics behind why greenhouse gases like carbon dioxide cause warming. These gases make up just a small fraction of the atmosphere but exert outsized control on Earth’s climate by trapping some of the planet’s heat before it escapes into space. This greenhouse effect is important: It’s why a planet so far from the sun has liquid water and life!

However, during the Industrial Revolution, people started burning coal and other fossil fuels to power factories, smelters and steam engines, which added more greenhouse gases to the atmosphere. Ever since, human activities have been heating the planet.

Where it was cooler or warmer in 2020 compared with the middle of the 20th century

Global average temperature compared with the middle of the 20th century

+0.75°C

–0.25°

30 billion metric tons

Carbon dioxide emitted worldwide 1850-2017

Rest of world

Other developed

European Union

Developed economies

Other countries

United States

E.U. and U.K.

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Steps To Follow While Writing An Essay On Climate Change

Table of Contents

Climate change is the most essential issue of our generation; we are the first to witness its early signs and the last who have a chance of stopping them from happening.

Living in a bubble of denial can only get us this far; the planet which is our home is already a scene for melting glaciers, raising floods, extinction of species… the list goes on and on. Spreading awareness on matters of climate change through any means available, including as seemingly trivial form as writing a school essay, cannot be underestimated.

Follow the guidelines suggested in the paragraphs below to learn how to create a perfect essay that will get you an appraisal of your teacher.

Essay on climate changes: how to write?

If you really want to make your teacher gasp while they are reading your work, there are three vital things to pay attention to .

First of all, read the topic carefully and understand it’s specific, i.e., what is expected from you.

For instance, if it is the role of individuals in helping prevent climate change, you should not focus so much on the global problems, but speak about how small changes all of us can introduce in our routines will eventually have a positive environmental effect.

Secondly, determine your personal take on the problem . Search for materials on your subject using keywords, and pile up the evidence that supports your point of view.

Finally, write a conclusion. Make sure that the conclusion you make reflects the viewpoints you have been expressing all throughout your essay.

Below you will find a more detailed breakdown of tasks you will have to accomplish to complete writing an essay on climate changes that is worthy of a top mark.

Check if it is an argumentative essay on climate change or more of a speculative one? Arrange your writing accordingly.

Craft the outline and don’t go off-topic.
Search for keywords .
Make a plan .
Avoid the most common mistakes from the start.
Write an introduction thinking about what you will write later.
Develop your ideas according to the outline .
Make a conclusion which is consistent with what you’ve written in the main paragraphs.
Proofread the draft , correct mistakes and print out the hard copy. All set!

One of the most focal of your writing will be factual evidence. When writing on climate change, resort to providing data shared by international organizations like IPCC , WWF , or World Bank .

It is undeniable that among the main causes of climate change, unfortunately, there are oil and fossil fuels that are the basis of the whole economy and still invaluable sources of energy.

Although everyone knows that oil resources are polluting and that it would be much more useful and environmentally sustainable to rely on renewable energies such as wind and solar energies and electricity, the power of the world seem not to notice or pretend not to see for don’t go against your own interests.

The time has come to react and raise awareness of the use of renewable energy sources.

In addition to the causes already mentioned, we must consider the increase in the carbon dioxide air that traps heat in our atmosphere, thus increasing the temperatures with the consequent of the Arctic glaciers melting.

WWF reported that in 2016, the recorded data was quite worrying with a constant increase in temperatures and a 40% decrease in Arctic marine glaciers.

Topics for essay on global warming and climate change

If you do not have any specific topic to write on, consider yourself lucky. You can pick one that you are passionate about – and in fact, this is what you should do! If we think back to the very definition of essay, it is nothing more than a few paragraphs of expressing one’s personal attitude and viewpoints on a certain subject. Surely, you need to pick a subject that you are opinionated about to deliver a readable piece of writing!

Another point to consider is quaintness and topicality factors. You don’t want to end up writing on a subject that the rest of your class will, and in all honesty, that has zero novelty to it.

Even if it is something as trivial as the greenhouse effect, add an unexpected perspective to it: the greenhouse effect from the standpoint of the feline population of Montenegro. Sounds lunatic, but you get the drift.

Do not worry, below you will find the list of legitimately coverable topics to choose from:

The last generation able to fight the global crisis.
Climate change: top 10 unexpected causes.
Climate changes. Things anyone can do.
Climate changes concern everyone. Is it true?
The Mauna Loa volcano: climate change is here.
Water pollution and coastal cities: what needs to be done?
Is there global warming if it’s still cold?
The CO2 concentration in the atmosphere.
Celebrity activists and climate changes.
Individual responsibility for the environment.
How the loss of biodiversity is the biggest loss for humanity.
Ways to fight global warming at home.
Sustainable living as a way of fighting climate change.
Climate change fighting countries to look up to.
Industrial responsibility and climate change.
What future will be like if we fail to make an environmental stand?
Discovering water on Mars: a new planet to live on?
Climate change effects on poor countries.
Nuclear power laws and climate change.
Is it true that climate change is caused by man?

Mistakes to avoid when writing an essay on climate change

When composing your essay, you must avoid the following (quite common!) mistakes:

Clichés – no one wants to read universal truths presented as relevant discoveries.
Repeating an idea already expressed – don’t waste your readers’ time .
Making an accumulation of ideas that are not connected and that do not follow one another; structure your ideas logically .
Being contradictive (check consistency).
Using bad or tired collocations .
Using lackluster adjectives like “good”/”bad”. Instead, think of more eye-catching synonyms.

Structure your essay in a logical way : introduce your thesis, develop your ideas in at least 2 parts that contain several paragraphs, and draw a conclusion.

Bottom line

Writing an essay on global warming and climate change is essentially reflecting on the inevitable consequence of the irresponsible behavior of people inhabiting the planet. Outside of big-scale thinking, there is something each of us can do, and by shaping minds the right way, essential change can be done daily.

Each of us can act to protect the environment, reducing the use of plastic, recycling, buying food with as little packaging as possible, or turning off water and light when not in use. Every little help, even a short essay on climate change can help make a difference.

Can’t wait to save the planet? Do it, while we write your essay. Easy order, complete confidentiality, timely delivery. Click the button to learn more!

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What Are the Causes of Climate Change?

We can’t fight climate change without understanding what drives it.

A river runs through a valley between mountains, with brown banks visible on either side of the water

Low water levels at Shasta Lake, California, following a historic drought in October 2021

Andrew Innerarity/California Department of Water Resources

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At the root of climate change is the phenomenon known as the greenhouse effect , the term scientists use to describe the way that certain atmospheric gases “trap” heat that would otherwise radiate upward, from the planet’s surface, into outer space. On the one hand, we have the greenhouse effect to thank for the presence of life on earth; without it, our planet would be cold and unlivable.

But beginning in the mid- to late-19th century, human activity began pushing the greenhouse effect to new levels. The result? A planet that’s warmer right now than at any other point in human history, and getting ever warmer. This global warming has, in turn, dramatically altered natural cycles and weather patterns, with impacts that include extreme heat, protracted drought, increased flooding, more intense storms, and rising sea levels. Taken together, these miserable and sometimes deadly effects are what have come to be known as climate change .

Detailing and discussing the human causes of climate change isn’t about shaming people, or trying to make them feel guilty for their choices. It’s about defining the problem so that we can arrive at effective solutions. And we must honestly address its origins—even though it can sometimes be difficult, or even uncomfortable, to do so. Human civilization has made extraordinary productivity leaps, some of which have led to our currently overheated planet. But by harnessing that same ability to innovate and attaching it to a renewed sense of shared responsibility, we can find ways to cool the planet down, fight climate change , and chart a course toward a more just, equitable, and sustainable future.

Here’s a rough breakdown of the factors that are driving climate change.

Natural causes of climate change

Human-driven causes of climate change, transportation, electricity generation, industry & manufacturing, agriculture, oil & gas development, deforestation, our lifestyle choices.

Some amount of climate change can be attributed to natural phenomena. Over the course of Earth’s existence, volcanic eruptions , fluctuations in solar radiation , tectonic shifts , and even small changes in our orbit have all had observable effects on planetary warming and cooling patterns.

But climate records are able to show that today’s global warming—particularly what has occured since the start of the industrial revolution—is happening much, much faster than ever before. According to NASA , “[t]hese natural causes are still in play today, but their influence is too small or they occur too slowly to explain the rapid warming seen in recent decades.” And the records refute the misinformation that natural causes are the main culprits behind climate change, as some in the fossil fuel industry and conservative think tanks would like us to believe.

A black and white image of an industrial plant on the banks of a body of water, with black smoke rising from three smokestacks

Chemical manufacturing plants emit fumes along Onondaga Lake in Solvay, New York, in the late-19th century. Over time, industrial development severely polluted the local area.

Library of Congress, Prints & Photographs Division, Detroit Publishing Company Collection

Scientists agree that human activity is the primary driver of what we’re seeing now worldwide. (This type of climate change is sometimes referred to as anthropogenic , which is just a way of saying “caused by human beings.”) The unchecked burning of fossil fuels over the past 150 years has drastically increased the presence of atmospheric greenhouse gases, most notably carbon dioxide . At the same time, logging and development have led to the widespread destruction of forests, wetlands, and other carbon sinks —natural resources that store carbon dioxide and prevent it from being released into the atmosphere.

Right now, atmospheric concentrations of greenhouse gases like carbon dioxide, methane , and nitrous oxide are the highest they’ve been in the last 800,000 years . Some greenhouse gases, like hydrochlorofluorocarbons (HFCs) , do not even exist in nature. By continuously pumping these gases into the air, we helped raise the earth’s average temperature by about 1.9 degrees Fahrenheit during the 20th century—which has brought us to our current era of deadly, and increasingly routine, weather extremes. And it’s important to note that while climate change affects everyone in some way, it doesn’t do so equally: All over the world, people of color and those living in economically disadvantaged or politically marginalized communities bear a much larger burden , despite the fact that these communities play a much smaller role in warming the planet.

Our ways of generating power for electricity, heat, and transportation, our built environment and industries, our ways of interacting with the land, and our consumption habits together serve as the primary drivers of climate change. While the percentages of greenhouse gases stemming from each source may fluctuate, the sources themselves remain relatively consistent.

Four lanes of cars and trucks sit in traffic on a highway

Traffic on Interstate 25 in Denver

David Parsons/iStock

The cars, trucks, ships, and planes that we use to transport ourselves and our goods are a major source of global greenhouse gas emissions. (In the United States, they actually constitute the single-largest source.) Burning petroleum-based fuel in combustion engines releases massive amounts of carbon dioxide into the atmosphere. Passenger cars account for 41 percent of those emissions, with the typical passenger vehicle emitting about 4.6 metric tons of carbon dioxide per year. And trucks are by far the worst polluters on the road. They run almost constantly and largely burn diesel fuel, which is why, despite accounting for just 4 percent of U.S. vehicles, trucks emit 23 percent of all greenhouse gas emissions from transportation.

We can get these numbers down, but we need large-scale investments to get more zero-emission vehicles on the road and increase access to reliable public transit .

As of 2021, nearly 60 percent of the electricity used in the United States comes from the burning of coal, natural gas , and other fossil fuels . Because of the electricity sector’s historical investment in these dirty energy sources, it accounts for roughly a quarter of U.S. greenhouse gas emissions, including carbon dioxide, methane, and nitrous oxide.

That history is undergoing a major change, however: As renewable energy sources like wind and solar become cheaper and easier to develop, utilities are turning to them more frequently. The percentage of clean, renewable energy is growing every year—and with that growth comes a corresponding decrease in pollutants.

But while things are moving in the right direction, they’re not moving fast enough. If we’re to keep the earth’s average temperature from rising more than 1.5 degrees Celsius, which scientists say we must do in order to avoid the very worst impacts of climate change, we have to take every available opportunity to speed up the shift from fossil fuels to renewables in the electricity sector.

A graphic titled "Total U.S. Greenhouse Gas Emissions by Economic Sector (2020)"

The factories and facilities that produce our goods are significant sources of greenhouse gases; in 2020, they were responsible for fully 24 percent of U.S. emissions. Most industrial emissions come from the production of a small set of carbon-intensive products, including basic chemicals, iron and steel, cement and concrete, aluminum, glass, and paper. To manufacture the building blocks of our infrastructure and the vast array of products demanded by consumers, producers must burn through massive amounts of energy. In addition, older facilities in need of efficiency upgrades frequently leak these gases, along with other harmful forms of air pollution .

One way to reduce the industrial sector’s carbon footprint is to increase efficiency through improved technology and stronger enforcement of pollution regulations. Another way is to rethink our attitudes toward consumption (particularly when it comes to plastics ), recycling , and reuse —so that we don’t need to be producing so many things in the first place. And, since major infrastructure projects rely heavily on industries like cement manufacturing (responsible for 7 percent of annual global greenhouse gas), policy mandates must leverage the government’s purchasing power to grow markets for cleaner alternatives, and ensure that state and federal agencies procure more sustainably produced materials for these projects. Hastening the switch from fossil fuels to renewables will also go a long way toward cleaning up this energy-intensive sector.

The advent of modern, industrialized agriculture has significantly altered the vital but delicate relationship between soil and the climate—so much so that agriculture accounted for 11 percent of U.S. greenhouse gas emissions in 2020. This sector is especially notorious for giving off large amounts of nitrous oxide and methane, powerful gases that are highly effective at trapping heat. The widespread adoption of chemical fertilizers , combined with certain crop-management practices that prioritize high yields over soil health, means that agriculture accounts for nearly three-quarters of the nitrous oxide found in our atmosphere. Meanwhile, large-scale industrialized livestock production continues to be a significant source of atmospheric methane, which is emitted as a function of the digestive processes of cattle and other ruminants.

A man in a cap and outdoor vest in front of a wooden building holds a large squash

Stephen McComber holds a squash harvested from the community garden in Kahnawà:ke Mohawk Territory, a First Nations reserve of the Mohawks of Kahnawà:ke, in Quebec.

Stephanie Foden for NRDC

But farmers and ranchers—especially Indigenous farmers, who have been tending the land according to sustainable principles —are reminding us that there’s more than one way to feed the world. By adopting the philosophies and methods associated with regenerative agriculture , we can slash emissions from this sector while boosting our soil’s capacity for sequestering carbon from the atmosphere, and producing healthier foods.

A pipe sticks out of a hole in the ground in the center of a wide pit surrounded by crude fencing

A decades-old, plugged and abandoned oil well at a cattle ranch in Crane County, Texas, in June 2021, when it was found to be leaking brine water

Matthew Busch/Bloomberg via Getty Images

Oil and gas lead to emissions at every stage of their production and consumption—not only when they’re burned as fuel, but just as soon as we drill a hole in the ground to begin extracting them. Fossil fuel development is a major source of methane, which invariably leaks from oil and gas operations : drilling, fracking , transporting, and refining. And while methane isn’t as prevalent a greenhouse gas as carbon dioxide, it’s many times more potent at trapping heat during the first 20 years of its release into the atmosphere. Even abandoned and inoperative wells—sometimes known as “orphaned” wells —leak methane. More than 3 million of these old, defunct wells are spread across the country and were responsible for emitting more than 280,000 metric tons of methane in 2018.

Unsurprisingly, given how much time we spend inside of them, our buildings—both residential and commercial—emit a lot of greenhouse gases. Heating, cooling, cooking, running appliances, and maintaining other building-wide systems accounted for 13 percent of U.S. emissions overall in 2020. And even worse, some 30 percent of the energy used in U.S. buildings goes to waste, on average.

Every day, great strides are being made in energy efficiency , allowing us to achieve the same (or even better) results with less energy expended. By requiring all new buildings to employ the highest efficiency standards—and by retrofitting existing buildings with the most up-to-date technologies—we’ll reduce emissions in this sector while simultaneously making it easier and cheaper for people in all communities to heat, cool, and power their homes: a top goal of the environmental justice movement.

An aerial view show a large area of brown land surrounded by deep green land

An aerial view of clearcut sections of boreal forest near Dryden in Northwestern Ontario, Canada, in June 2019

River Jordan for NRDC

Another way we’re injecting more greenhouse gas into the atmosphere is through the clearcutting of the world’s forests and the degradation of its wetlands . Vegetation and soil store carbon by keeping it at ground level or underground. Through logging and other forms of development, we’re cutting down or digging up vegetative biomass and releasing all of its stored carbon into the air. In Canada’s boreal forest alone, clearcutting is responsible for releasing more than 25 million metric tons of carbon dioxide into the atmosphere each year—the emissions equivalent of 5.5 million vehicles.

Government policies that emphasize sustainable practices, combined with shifts in consumer behavior , are needed to offset this dynamic and restore the planet’s carbon sinks .

A passnger train crosses over a bridge on a river

The Yellow Line Metro train crossing over the Potomac River from Washington, DC, to Virginia on June 24, 2022

Sarah Baker

The decisions we make every day as individuals—which products we purchase, how much electricity we consume, how we get around, what we eat (and what we don’t—food waste makes up 4 percent of total U.S. greenhouse gas emissions)—add up to our single, unique carbon footprints . Put all of them together and you end up with humanity’s collective carbon footprint. The first step in reducing it is for us to acknowledge the uneven distribution of climate change’s causes and effects, and for those who bear the greatest responsibility for global greenhouse gas emissions to slash them without bringing further harm to those who are least responsible .

The big, climate-affecting decisions made by utilities, industries, and governments are shaped, in the end, by us : our needs, our demands, our priorities. Winning the fight against climate change will require us to rethink those needs, ramp up those demands , and reset those priorities. Short-term thinking of the sort that enriches corporations must give way to long-term planning that strengthens communities and secures the health and safety of all people. And our definition of climate advocacy must go beyond slogans and move, swiftly, into the realm of collective action—fueled by righteous anger, perhaps, but guided by faith in science and in our ability to change the world for the better.

If our activity has brought us to this dangerous point in human history, breaking old patterns can help us find a way out.

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