climate change61
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The 35 Easiest Ways to Reduce Your Carbon Footprint
With these simple changes, you can make a difference without making much of an effort or financial investment.
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The Climate Talks Struggle While California Forges Ahead
The contrast between the climate talks in Poland and progress by California is illuminating and provides a clear indication of how the climate crisis will actually be addressed.
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How Can We Use the National Climate Assessment to Prepare for Climate Change?
While the Trump administration is doing its best to ignore recent findings, an upcoming report will focus on helping cities, states, and businesses develop mitigation and adaptation strategies.
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Current Megadrought in the West Could Be One of the Worst in History
A 19-year drought in the American West is one of the most severe in the past 1200 years—and climate change is partially to blame, according to new research.
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Assessing the Impact of Declining Arctic Sea Ice on Extreme Weather
Yutian Wu received funding from the Center for Climate and Life to investigate whether the loss of Arctic sea ice promotes severe weather over North America.
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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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Can Removing Carbon From the Atmosphere Save Us From Climate Catastrophe?
The Intergovernmental Panel on Climate Change says that limiting global warming to 1.5˚C will require removing CO2 from the atmosphere. How feasible is this?
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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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Climate Fact and Right Wing Fantasy
The Trump administration’s effort to bury the newest climate report isn’t working.
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
