Water11
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Grappling With Ocean Conservation and Social Justice
Marine biologist, policy expert, and conservation strategist Ayana Elizabeth Johnson discusses the challenges and possibility she sees in environmental justice work today.
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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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Why We Shouldn’t Let Maritime Boundaries Shrink as Coastlines Recede
Climate change will pose many challenges for small island states — and shrinking maritime boundaries would only make matters worse, argues one climate lawyer.
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Mining Pollution Limits Access to Clean Water in Papua New Guinea
A new report documents the social, environmental, economic, and health impacts of gold mining in Porgera, Papua New Guinea.
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Scientists Work to Build Climate Change Resilience in Caribbean Coral Reef
A team from Columbia’s Earth Institute is helping to research and design adaptation strategies to help save the world’s second largest barrier reef.
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Columbia Water Center: A Decade of Cutting Edge Research
To mark its anniversary, the Columbia Water Center has released a new report highlighting its achievements over the past decade. Read an excerpt, then download the full report.
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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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Current Megadrought in the West Could Be One of the Worst in History
A 19-year drought in the American West is one of the most severe in the past 1200 years—and climate change is partially to blame, according to new research.
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Arsenic Contamination is Common in Punjabi Wells, Study Finds
But there’s a pretty simple solution that could protect a lot of people.
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
