Hudson River2
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A Mural for Lamont’s Hudson River Field Station: How it Came to Be
The newly renovated research facility will host an educational mural that combines art and science.
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On June 1st, Fish Will Be Filling Our Nets All Around New York City
Join us on Saturday, June 1st to explore one of New York’s most underrated treasures: our productive waterways!
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‘Hudson Rising’ Exhibit Features Living Breakwaters Project
Exploring the complex history of the river’s pollution and conservation, a show at the New-York Historical Society highlights the holistic solution proposed by Earth Institute faculty member Kate Orff.
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Study Finds Sewage Bacteria Lurking in Hudson River Sediments
A new study shows that fecal bacteria from sewage can persist in far greater quantities in near-shore sediments than in the water of the Hudson River.
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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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New York’s Waterways Are Swimming in Plastic Microbeads
Plastic microbeads, common in soap, toothpaste and other consumer products, are flooding waters. A team from Lamont-Doherty Earth Observatory is doing the first large-scale assessment of their impact on New York’s waterways.
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How Safe is the Hudson? Scientists Test the River, Adirondacks to Ocean
A team of scientists conducted an unprecedented health check of the entire Hudson River system, from its source to New York Harbor. This is what they found.
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H. James Simpson; Tracked Pollutants in the Hudson and Far Beyond
H. James Simpson, a geochemist who pioneered important studies of water pollutants in the Hudson River and abroad, died May 10. He had been affiliated with Columbia University’s Lamont-Doherty Earth Observatory for 50 years. The cause was Parkinson’s disease, said his family; he was 72.
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Photo Essay: A Day in the Life of the Hudson River
Once a year, Piermont Pier becomes a field station, and local students, a team of environmental investigators. On Tuesday, scientists at Lamont-Doherty Earth Observatory led students through a series of field experiments designed to teach them more about the Hudson River.
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
