climate22
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How Will La Niña Affect Winter in the U.S.?
This phenomenon can cause major changes in climate patterns. See what’s in store for your region.
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Where Is All That Carbon Dioxide Going?
Concurrent with the announcement that human carbon emissions reached a new peak this year, Galen McKinley, a researcher at Columbia University’s Lamont-Doherty Earth Observatory, discusses the difficulties of tracking the sources and destinations of carbon dioxide.
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Swapping Where Crops are Grown Could Feed an Extra 825 Million People
It could also reduce water stress, according to a new study that includes 14 major food crops from around the world.
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National Climate Report: Q&A With Authors
Every four years Congress is provided with a state-of-the-art report on the impacts of climate change on the United States. The next National Climate Assessment is scheduled for 2018, but its scientific findings are scheduled to be published today. Here, two of its authors explain what to expect.
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Giant Boulders on Bahamas Coast Are Evidence of Ancient Storms and Sea Level, Says Study
A new study says that storms of intensities seen today, combined with a few meters increase in sea level, were enough to transport coastal boulders weighing hundreds of tons more than 100,000 year ago.
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In Biblical Land, Searching for Droughts Past and Future
Human-influenced climate warming has already reduced rainfall and increased evaporation in the Mideast, worsening water shortages. Up to now, climate scientists had projected that rainfall could decline another 20 percent by 2100. But the Dead Sea cores suggest that things could become much worse, much faster.
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Photo Essay: The Dead Sea, Living Waters and Megadrought
Thousands of years before Biblical times, during a period when temperatures were unusually high, the lands around the Dead Sea now occupied by Israel, Jordan and surrounding nations suffered megadroughts far worse than any recorded by humans. Warming climate now threatens to return such conditions to this already hard-pressed region.
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Under the Sea Ice, Behold the Ancient Arctic Jellyfish
A video reveals mature jellyfish under the Arctic sea ice, where they aren’t supposed to be.
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Seasonal Changes in Climate May Muddle Results of Malaria Interventions in Africa
A new climate study shows that some countries in sub-Saharan Africa may be underestimating the impact of their malaria control activities, while others may be underestimating their success.
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
