Laurentide Ice Sheet
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Dredging up New York City’s Glacial Memory
Glaciologist Elizabeth Case spoke to New Yorkers about the role glaciers have played in designing the city’s landscape.
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Follow Along on a Bicycle Tour That Teaches About Hudson Valley’s Glacial History
A student-led Cycle for Science trip will follow the footsteps of an ice sheet that buried the NYC area under a mile of ice during the last ice age.
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Look At Glaciers Past Suggests Greenland Melting Could Rapidly Heighten Sea Level
North American Ice Sheet Dwindled Fast in Conditions Like Today’s

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
