Climate84
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You Asked: How Does Carbon Dioxide Get So High Up Into the Atmosphere?
If CO2 is heavier than oxygen, why doesn’t it stay near the ground? The short answer: Earth’s atmosphere isn’t like a sealed bottle of wine.
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Warmer Temperatures Drive Arctic Greening
Using satellite images spanning decades, a new study has found that the northern tundra is becoming greener, as warmer air and soil temperatures lead to increased plant growth.
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Europe’s ‘Great Famine’ Years Were Some of the Soggiest in Centuries
Unrelenting rains led to a miserable famine in Europe from 1315-1317. Just how wet was it? A new study reveals that the beginning of the famine included some of the wettest years in the last 700 years.
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Why Climate Change is an Environmental Justice Issue
Climate change is a threat to everyone, but some groups—socially and economically disadvantaged ones—face the greatest risks.
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Take Our 2020 Climate Week Quiz
Test your knowledge of the latest climate news.
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Lamont Alumna Receives Prestigious Prize
Susan Trumbore, who earned her Ph.D. at the Lamont-Doherty Earth Observatory, is among the recipients of the 2020 Balzan Prize, one of the most prestigious international awards in natural science and humanities.
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Alumni Spotlight: Milo McBride, Climate Advocate and Creative Thinker
The recent graduate shares highlights from his time in the Environmental Science and Policy program, and advice for current students.
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Seismic Monitoring May Improve Early Warnings for Glacial Lake Outburst Floods
A new study finds that real-time monitoring of ground motion could have detected a sudden and catastrophic flood in Bhutan five hours before it destroyed a village.
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Climate Week at the Earth Institute
Next week, September 21-27, is Climate Week in New York City. Join us for a series of online events covering the climate crisis and pointing us towards action.
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
