Press Release5
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Faculty Announcement: Sheila Foster Appointed Professor of Climate
Sheila Foster has been appointed a tenured professor of climate at the Climate School.
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Key Ocean Current Contains a Warning on Climate
A new study shows that a giant current circling Antarctica has speeded up during past warm periods, eating away at the polar ice. It’s doing it again now.
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Remembering Longtime and Esteemed Columbia Scientist and Mentor Cheryl Palm
Beyond the science and scholarship, Cheryl created a family among the many who worked with her and for her.
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A Volcanic Explosion 520,000 Years Ago Dwarfed One That Devastated the Minoan Civilization
An undersea eruption a half million years ago was much larger than nearly anything recorded in human time.
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Bottled Water Can Contain Hundreds of Thousands of Previously Uncounted Tiny Plastic Bits, Study Finds
Using a new technique, scientists have been able to identify extremely minute plastic fragments in bottled water, 10 times more than previously counted.
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A New 66 Million-Year History of Carbon Dioxide Offers Little Comfort for Today
Scientists have produced a new curve of how atmospheric carbon dioxide affects climate. It makes clear that its effects can be long lasting.
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In Many Major Crop Regions, Workers Plant and Harvest in Spiraling Heat and Humidity
The ability of farmworkers to cultivate major crops including rice and maize may be compromised if climate trends continue.
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World Temperatures Will Blow Past Paris Goals This Decade, Asserts New Study
James Hansen warned the world in the 1980s that global warming was coming. Now, he is warning that it is barreling down even faster than expected.
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Rising Seas Will Tighten Vise on Miami Even for People Who Are Not Flooded, Says Study
Most research on rising sea levels focuses on the direct effects of inundation. A new study adds social and economic vulnerabilities to the equation.
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