Earth Sciences31
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Sailing Stone Track Discovered ‘Hiding in Plain Sight’ in Dinosaur Fossil
The “walking rock” track suggests that a massive volcanic winter may have frozen the tropics during the dawn of the dinosaur age.
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Climate and Society Posters and Presentations at AGU 2019
A range of areas of expertise from Columbia University’s International Research Institute for Climate and Society will be represented at this year’s annual meeting of the American Geophysical Union.
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Damaging Rains From Hurricanes Can Be More Intense After Winds Subside
According to new research, the rains that come once the storm has weakened may actually be more intense than when the storm is at its strongest.
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Within Sight of New York City, an Old-Growth Forest Faces Storms and Sea Level Rise
On a peninsula within sight of New York City, researchers are studying trees dating as far back as the early 1800s. Rising seas and more powerful storms, both fueled by climate change, could eventually spell their end.
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American Geophysical Union 2019: Key Events From the Earth Institute
A chronological guide to key talks and other events at the Dec. 9-13 American Geophysical Union meeting in San Francisco.
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Volcanologist Yves Moussallam Honored With Rolex Award for Enterprise
He treks to remote volcanoes to measure their gas and aerosol emissions, in order to improve climate change predictions.
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Study Zeros In on Source of Arsenic in Bengal Basin’s Deep Wells
Typically only shallow wells have arsenic problems, but in an area of India and Bangladesh, deep wells are highly contaminated. Scientists are starting to learn why.
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Grim Projections for the Ocean—and the Life Within It
Sonya Dyhrman, a microbial oceanographer affiliated with Lamont’s Center for Climate and Life, explains how human-caused climate change is harming ocean health.
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Walter Pitman: Discovered a Key to Plate Tectonics
Walter Pitman, a seagoing geophysicist who spotted a crucial piece of a huge puzzle that revolutionized the earth sciences, has died.

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
