Understanding Climate Change

Climate change continues to pose significant risks for a broad range of human and natural systems. The current warming trend is growing at an unprecedented rate – this year the U.S. saw its warmest May on record. Our collection of reports emphasize the importance of 21st century choices regarding long-term climate stabilization through improving understanding of the causes and consequences of climate change and expanding the options available to limit the magnitude of climate change.

Climate Change: Evidence and Causes

Climate Change: Evidence and Causes is a jointly produced publication of The US National Academy of Sciences and The Royal Society. Written by a UK-US team of leading climate scientists and reviewed by climate scientists and others, the publication is intended as a brief, readable …

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Attribution of Extreme Weather Events in the Context of Climate Change

As climate has warmed over recent years, a new pattern of more frequent and more intense weather events has unfolded across the globe. Climate models simulate such changes in extreme events, and some of the reasons for the changes are well understood. Warming increases the likelihood of …

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Abrupt Impacts of Climate Change: Anticipating Surprises

Climate is changing, forced out of the range of the past million years by levels of carbon dioxide and other greenhouse gases not seen in the Earth’s atmosphere for a very, very long time. Lacking action by the world’s nations, it is clear that the planet will be warmer, sea level will rise, and …

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Arctic Matters: The Global Connection to Changes in the Arctic

Viewed in satellite images as a jagged white coat draped over the top of the globe, the high Arctic appears distant and isolated. But even if you don’t live there, don’t do business there, and will never travel there, you are closer to the Arctic than you think. Arctic Matters: The Global …

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Enhancing Participation in the U.S. Global Change Research Program

The US Global Change Research Program (USGCRP) is a collection of 13 Federal entities charged by law to assist the United States and the world to understand, assess, predict, and respond to human-induced and natural processes of global change. As the understanding of global change has evolved …

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The Arctic in the Anthropocene: Emerging Research Questions

Once ice-bound, difficult to access, and largely ignored by the rest of the world, the Arctic is now front and center in the midst of many important questions facing the world today. Our daily weather, what we eat, and coastal flooding are all interconnected with the future of the Arctic. The …

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America’s Climate Choices

Climate change is occurring. It is very likely caused by the emission of greenhouse gases from human activities, and poses significant risks for a range of human and natural systems. And these emissions continue to increase, which will result in further change and greater …

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