Climate change poses an extraordinary threat to the planet and its inhabitants.
What Is Climate Change?
Why the climate is changing, what it means for us, and what we can do about it.
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4:09
The Greenhouse Effect
The world is getting warmer. What role do greenhouse gas emissions play, and why is this cause for concern?
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Why Scientists Are Watching Greenland
In Greenland, climate change has created a vicious cycle of warming—and it may never stop.
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Climate Change and the Coffee Industry
Climate change is not just an environmental problem. It is also an economic one.
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2:53
What Is Water Scarcity?
The global water crisis is already here. Climate change will only make it more severe.
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Sources of Energy: A Comparison
Turning toward cleaner energy sources means factoring in economic and energy needs alongside environmental ones.
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Who Releases the Most Greenhouse Gases?
Who is at the top depends on how you interpret the data.
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The Paris Agreement
What actions are countries taking to address the global threat of climate change?
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Climate Change Inequality
Explore how rising temperatures disproportionately affect certain communities.
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Climate Change Adaptations
Explore how countries are adapting to the effects of climate change.
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How Climate Change Affects You
Explore research on the causes and effects of climate change.
Source: Mohamed Abd El Ghany/Reuters
The Uninhabitable Earth, Annotated Edition
If enough action is not taken, climate change’s effects on the earth will be devastating. These are the worst-case scenarios.
Source: Kieran Doherty/Reuters
What’s Really Warming the World?
While some people may deny that human activity is driving climate change, data from NASA reveals the truth.
Source: Pascal Rossignol/Reuters
The Great Nutrient Collapse
The increasing amount of carbon dioxide in the atmosphere could have dire consequences for the global food supply.
Source: Luke MacGregor/Reuters
Yes, The Climate Has Always Changed. This Comic Shows Why That’s No Comfort.
Randall Munroe, the author of the webcomic XKCD, finds a creative way to visualize global warming.
More From CFR
The Emerging Arctic
The Arctic’s rapid melting and numerous natural resources make the region’s development the subject of many debates among the world’s nations.
Photo: Kathryn Hansen/NASA via Reuters
Deforestation in the Amazon
A fifth of Brazil’s Amazon rainforest has vanished in the past fifty years. This has had an enormous impact on greenhouse gas emissions.
Photo: Nacho Doce/Reuters
Climate Change Challenges
Michael Levi, a former CFR senior fellow, outlines the main dilemmas that the U.S. faces when developing policies designed to curb climate change.
Photo: Reuters
