Earth Sciences23
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CO2 Dip May Have Helped Dinosaurs Walk From South America to Greenland
A new study identifies a climate phenomenon that may have helped sauropodomorphs spread northward across the Pangea supercontinent.
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Video: Meet Some of The Incredible Women Scientists of Lamont-Doherty Earth Observatory
These women are helping to unravel the mysteries and mechanics of Earth.
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Celebrating the 2021 International Day of Women and Girls in Science
In honor of the day, we’re highlighting a few women who play an essential role in the Earth Institute’s work to understand how the planet works, how humans are changing it, and how to build a sustainable future.
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You Asked: Why Is it So Hard to Predict Volcanic Eruptions?
Volcanologist Einat Lev tackles reader questions and explains how more monitoring of volcanoes could save lives.
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Study Locates Origins of Glacier Soot Pollution in Northern India
By sampling snow from glaciers and tracking pollutants back to their source, the study reveals pathways to reduce harmful pollution in the Indian Western Himalayas.
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Mapping the Most Mysterious Planet of All: Earth
For her work toward charting the global ocean floor, scientist Vicki Ferrini has been named by the Explorer Club as one of 50 people changing the world.
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Supercomputers Simulate 800,000 Years of California Earthquakes to Pinpoint Risks
Scientists are working to improve their calculations of earthquake danger by combining maps of known faults with the use of supercomputers to simulate potential shaking deep into the future in California.
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Reconstructing 6.5 Million Years of Western Mediterranean Sea Levels
Researchers have reconstructed past sea levels in the western Mediterranean in new detail by sampling coastal cave formations.
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Ryan Abernathey: Helping to Open a Universe of Data to the World
The Lamont-Doherty physical oceanographer was recently awarded early career honors from the Oceanography Society.

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
