climate change74
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Professor Dong Guo: China, Peer Effect and Sustainability
Sustainability isn’t just about the environment. Guo explains how social and economic factors, like employment and education, fit in.
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The Greenland Ice Sheet Is Sponging Up Meltwater
As climate warms, the surface of the Greenland ice sheet is melting, and all that meltwater ends up in seasonal rivers that flow to the sea. At least that is what scientists have assumed until now. A new study has shown that some of the meltwater is actually being soaked into porous subsurface ice and…
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How to Make the Holidays More Sustainable
It can be tough to balance holiday celebrations with a sustainable lifestyle, but there are ways to make greener choices without becoming a grinch.
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Environmental Science and Policy Program Strengthens Its Commitment to Student Veterans
Student veterans may now receive up to $20,000 in a grant or tuition waiver, which is matched by the U.S. Department of Veteran Affairs.
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Understanding Earth’s Geologic History to Predict the Future
Organic geochemist Pratigya Polissar is developing new tools to look at the history of plants and ecosystems on Earth over the past 20 million years.
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Studying Bioluminescent Blooms in the Arabian Sea
A plankton-like species is attacking the base of the food chain in the Arabian sea, disrupting water quality and killing fish. Researchers at the Lamont-Doherty Earth Observatory are learning how to fight back.
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American Geophysical Union 2017: Key Events From the Earth Institute
A chronological guide to key talks and other events presented by Columbia University’s Earth Institute at the American Geophysical Union 2017 meeting.
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Want to Save the World? Start by Eating Less Beef
If we ate half as many burgers and steaks each week, a new study calculates that it could have a profound effect on carbon emissions and the environment.
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The Way We Were: Climate and Human Evolution
In a remote desert region around Kenya’s Lake Turkana, paleoecologist and geochemist Kevin Uno collects fossils and sediments, searching for evidence about past climate, vegetation, animals, and water. His goal: to understand how climate affected our ancestors millions of years ago.
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
