climate5
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Associated Press Offers Interactive ‘Primer’ on New Extreme Heat Data Set
The interactive graphic, based on a recent study out of Columbia, visualizes the threat of rising temperatures combined with soaring population growth.
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How Close Are We to Climate Tipping Points?
Will overshooting 1.5°C of warming push us over climate tipping points, triggering irreversible and abrupt changes?
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Why Did Glacial Cycles Intensify a Million Years Ago?
A new study suggests that a million years ago, glaciers began sticking more persistently to their beds, triggering cycles of longer ice ages.
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High School Students Learn From and Educate Communities About Hudson River Ecosystems
In the Next Generation of Hudson River Educators program, students learned what community members think about the Hudson and developed tools to share their own findings.
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COP26: Resources for Journalists
Columbia will have a strong presence at the world climate summit, with live and online events, and experts from many fields attending or closely monitoring the proceedings.
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Arctic Sea Ice May Make a Last Stand in This Remote Region. It May Lose the Battle.
Researchers have zeroed in on what they call the Last Ice Area, where the last year-round Arctic ice, and associated ecosystems may–or may not–survive in a warmer future.
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Why the U.S. Northeast Coast Is a Global Warming Hot Spot
A sharp rise in temperatures on land is linked to unusual heating of the Atlantic Ocean, and changes in wind patterns that send that warmth westward.
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Take Our 2021 Climate Week Quiz
Test your knowledge of the latest climate news.
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Columbia Pledges That All Future Campus Construction Will Be Fossil Free
As Climate Week NYC begins, the university explores creating a fully electrified campus. The Columbia Climate School is university partner of the weeklong showcase.

AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More
