Water
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Swimming Toward a Constitutional Right for Nature
M.A. in Climate and Society student Christopher Swain swims long, polluted rivers to advocate for clean water and environmental justice.
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Sailing Around the Bangladesh Coastal Zone
The future sustainability of the delta depends on the balance of sea level rise, the subsidence of the land, and the deposition of sediments that can help maintain the land.
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Reducing Arsenic in Drinking Water Cuts Risk of Death, Even After Years of Chronic Exposure
Published today in JAMA, a 20-year study of nearly 11,000 adults in Bangladesh found that lowering arsenic levels in drinking water reduced the risk of death from chronic illnesses, compared with continued exposure.
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Ripple Effects: Water, Youth and Climate Action
The Columbia Climate School will host the Ripple Effects: Water in a Warming World pre-college virtual workshop in fall 2025.
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Nanoplastics Are All Around (and Inside) Us
How are humans exposed to these tiny and ubiquitous plastics? And is there anything we can do about it?
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Science for the Planet: Tackling the Invisible Threat of Nanoplastics
Beizhan Yan, an environmental geochemist at the Lamont-Doherty Earth Observatory, has come up with new methods to detect and analyze tiny plastic particles to better understand their impact on human and environmental health.
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The Earth Is Getting Drier
Desertification is occurring in many parts of the world, including the western U.S., Brazil, most of Europe, Asia and central Africa. Is it too late to reverse it?
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A Climate Change Signal in the Tropical Pacific
Research from the Lamont-Doherty Earth Observatory has the world’s climate scientists rethinking their models.
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Learning From History To Help Guide the Future of NYC’s Crucial Watershed
While persistent drought conditions threaten the NYC water supply, Columbia students prepare to step up to the challenge.
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
