Lamont-Doherty Earth Observatory196
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Glacial Earthquakes Point to Rising Temperatures in Greenland
Rise of seismic activity linked to the movement of glaciers may be a response to global warming
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Study Offers Preview of Ice Sheet Melting, Rapid Climate Changes
Behavior of Scandinavian Ice Sheet at the end of the last Ice Age may preview loss of Greenland Ice Sheet due to global warming
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Two New Lakes Found Beneath Antarctic Ice Sheet
Ancient water bodies may contain ecosystems adapted to life beneath more than two miles of ice
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Soviet Union Conducted 130 Nuclear Tests in Remote Arctic Location, Study Says
The Soviet Union conducted 130 underwater, atmospheric and underground nuclear tests in a remote archipelago above the Arctic Circle over a period of 35 years, according to a comprehensive study done by scientists at Lamont-Doherty Earth Observatory and the U.S. Geological Survey. Some of these tests involved multiple explosions. In all, 224 nuclear devices were…
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More Than 1,000 to Get Their Feet Wet in Hudson Estuary Project
For many residents of New York City and upstate communities, the Hudson River is such a constant presence that it can sometimes fade into the background of daily life. On Wednesday, October 12, however, Earth Institute researchers contributed to the efforts of volunteers and students from Troy to Brooklyn in putting the Hudson front-and-center by…
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Devastating Droughts in the American West Not Isolated Events
Droughts that last several years are a recurring feature of the American West. They are also potentially costly natural disasters with impacts ranging from declining agricultural production, reduced water availability, increased forest fires, variable river flows, and declining fisheries. The Dust Bowl drought of the 1930s, which was memorialized in some of the greatest works…
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Deep Magmatic Plumbing of Mid-Ocean Ridges Revealed
New images suggest that the Earth’s lower oceanic crust is generated from multiple magma sources
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Study Reconciles Long-Standing Contradiction of Deep-Earth Dynamics
New databases give researchers a look into processes inside the Earth’s mantle
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Scientists Confirm Earth’s Inner Core Rotating Faster Than Rest of Planet
Scientists at Columbia University’s Lamont-Doherty Earth Observatory and the University of Illinois at Urbana-Champaign have ended a nine-year debate over whether the Earth’s inner core is undergoing changes that can be detected on a human timescale. Their work, which appears in the August 26 issue of the journal Science, measured differences in the time it…
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