greenhouse gases2
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In a First, Iceland Power Plant Turns Carbon Emissions to Stone
Study Shows Unexpectedly Fast Reactions Lock In Greenhouse Gas
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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.
COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More