greenhouse gases2
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Scientists Say Many Plants Don’t Respond to Warming as Thought
From Tundra to New York Exurbs and Tropics, New Data Lowers Estimates of Carbon Release
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With Climate, Fertilizing Oceans Could be Zero-Sum Game
In Pacific, Added Iron May Not Pull Carbon From Air as Thought
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2015: The Hottest Year
2016 May Be Even Hotter
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One-Two Punch of Rising Seas, Bigger Storms May Greatly Magnify U.S. East Coast Floods
New Study Quantifies Synergy of Two Climate Hazards
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2014 Was Warmest Year in Modern Record, Say Two U.S. Reports
Data in Accord With Other Nations’ Studies
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Ozone-Protection Treaty Had Climate Benefits, Too, Study Says
The global treaty that headed off destruction of earth’s protective ozone layer has also prevented major disruption of global rainfall patterns, according to a new study in the Journal of Climate. The 1987 Montreal Protocol phased out the use of chloroflourocarbons, or CFCs, a class of chemicals that destroy ozone in the stratosphere, allowing more…
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Arctic Archipelago: Ground Zero For Climate Change
Summer temperatures on the archipelago of Svalbard, 400 miles north of Norway, are now higher than at any other period in the last 1,800 years, according to a new study in the journal Geology.
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Columbia-PepsiCo Collaboration Creates Tool for Calculating Carbon Footprints
Researchers at the Earth Institute’s Lenfest Center for Sustainable Energy working in collaboration with PepsiCo, Inc. have developed new software that rapidly calculates the carbon footprints of thousands of products simultaneously.
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High-Arctic Heat Tops 1,800-Year High, Says Study
Modern Spike Outmatches Naturally Driven ‘Medieval Warm Period’
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