Lamont-Doherty Earth Observatory6
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A Composer’s Instrumental Ode to the Arctic Circle
Environmental sound artist Mary Edwards turns field recordings of glacial phenomena in Svalbard into a collaborative musical performance.
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Playing With Fire: Harnessing Lava To Build Sustainable Cities
A futuristic new project imagines the possibility of molding lava into building material, thereby reducing the carbon emissions associated with construction.
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Chipping Away at the Ice Ceiling: Women Scientists Explore Nepal’s Ponkar Glacier
The International Center for Integrated Mountain Development launched the first Hindu Kush Himalaya Women on Ice expedition in December.
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All of the Biggest U.S. Cities Are Sinking
From the coasts to the interior, urban areas are sinking. The main culprit: pumping of groundwater.
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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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Lamont-Doherty Mourns IT Exec and Entrepreneur Edward Botwinick BS’58
The former university trustee was an early leader in data communications and a steadfast supporter of Lamont-Doherty Earth Observatory.
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Columbia Beautiful Planet 2025
Each year, we honor Earth Day by sharing some amazing photos celebrating the beauty and magic of our planet, as captured by the Columbia community.
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Global Perspectives: Exploring Sustainable Development in Rwanda and Bangladesh
Columbia Climate School students in two classes partnered with global communities and gained hands-on experience in sustainability.
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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.

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
