climate17
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Climate-Driven Fires Could Turn Yellowstone Forests to Grassland By Midcentury
A new study shows that some of Yellowstone National Park’s forests may be at a climate tipping point, and could be replaced by grassland by the middle of this century.
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Renewable Energy: What’s True, What’s False
A short, handy new guide from the Earth Institute cuts through the noise about renewable energy to lay out the facts about this politically charged subject.
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American Geophysical Union 2018: Key Events From the Earth Institute
The American Geophysical Union fall meeting takes place Dec. 10-14 in Washington, D.C. Here is a guide to key talks and other events from Columbia’s Earth Institute.
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National Climate Assessment: Will U.S. Water Problems Worsen?
Upmanu Lall is director of the Columbia Water Center, and the lead author of the new U.S. National Climate Assessment’s chapter on water resources. The report paints a dire picture of the nation’s climate future. We spoke with Lall about the outlook for water supplies, quality and infrastructure.
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Anti-Government Ideology in our More Complex World
Fires continue to burn in California as the air quality declines to dangerous levels. Hurricanes and floods this fall left a path of destruction as communities all over this country struggled to put themselves back together.
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A New Primer on Climate Change
A Q&A with Jason Smerdon, coauthor of the newly revised Climate Change: The Science of Global Warming and Our Energy Future.
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Wildfire Experts: A Journalist’s Guide
A guide to wildfire experts at the Earth Institute.
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Researchers Say an 1800s Global Famine Could Happen Again
The Global Famine was one of the worst humanitarian disasters in history, killing as many people as World War II. A new analysis suggests it could happen again, only worse because of climate change.
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The Melting of the Greenland Ice, Seen Up Very Close
A small team of scientists ventures out onto the Greenland ice sheet to study the forces large and small that are accelerating the melting of the world’s second-largest ice mass.

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
