Lamont-Doherty Earth Observatory90
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Photo Essay: Melting Greenland, Up Close
As climate warms, the Greenland ice sheet is melting, helping to fuel global sea-level rise. Follow a small team of scientists as they hike onto the sheet to investigate the forces large and small that are demolishing the ice.
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Bring Your Soil For Lead Testing at Open House
To find out if this harmful metal is lingering in your backyard or local park, and to learn how to protect your family, bring a few scoops of soil to the Lamont-Doherty Open House on October 13.
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Using Tree Ring Records to Decode Earth’s Climate History
An interview with Ed Cook, one of the founding directors of the Tree-Ring Laboratory at Lamont-Doherty Earth Observatory.
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Interactive Quiz: Test Your Knowledge of Climate Change and Its Impacts
In celebration of Climate Week NYC, here are 10 sample questions from our Climate Challenge game on Kahoot!
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6 Ways Our Team Is Taking Action on Climate Change—And How You Can, Too
Scientists and staff within the Earth Institute share some of the ways they’re shrinking their carbon footprints.
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Urbanization is Cutting Off Life Support to NYC’s Wetlands
New study reveals surprising facts behind a shrinking wetland, and suggests remedies.
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North Korea’s 2017 Bomb Test Set Off Later Earthquakes, New Analysis Finds
Using newly refined analysis methods, scientists have discovered that a North Korean nuclear bomb test last fall set off aftershocks over a period of eight months on a previously unmapped earthquake fault nearby.
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Columbia Researchers Help With Plan to Restore and Protect the Hudson River
A comprehensive plan outlines ways to clean up the Hudson River and reduce the impacts from development and climate change.
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Center on Global Energy Policy Launches Carbon Management Research Initiative
The initiative will help to drive business models, investment vehicles, and policies for a new carbon economy.
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
