Lamont-Doherty Earth Observatory
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Two Sustainability Students See Opportunity Hidden in Laundry-Induced Microplastic Pollution
Students and faculty at Columbia’s M.S. in Sustainability Management and Sustainability Science programs turned cutting-edge research on microplastics into Moby Filter, a sustainability startup tackling laundry-induced pollution at its source.
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A Complicated Future for a Methane-Cleansing Molecule
A new model shows how levels of the “atmosphere’s detergent” may rise and fall in response to climate change.
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New Study Reveals Hidden “Chemical Currency” Fueling the Ocean’s Carbon Cycle
This research identifies a diverse set of molecules released by marine phytoplankton that fuel microbial life and help drive Earth’s carbon cycle.
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These Glacier Guardians Are Women
From a photography exhibit of a high-mountain community in the Peruvian Andes to leading research by Columbia scientists, a recent panel celebrated the knowledge and work of women in and around glaciers.
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Bringing Climate Research to New York City’s Classrooms
The NYC Mid-Winter Climate Institute brought together K-12 educators to identify meaningful entry points for climate education lessons in their classrooms and beyond.
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Earth’s “Missing” Billion Years: Study Links the Great Unconformity to Early Tectonics
New findings shed light on a widespread gap in the geologic record, where more than a billion years of Earth’s history appear to have been erased.
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Antarctica Undergoes ‘Greenlandification’ As Ice Melt Accelerates
Scientists have found that Antarctica’s ice loss is increasing rapidly, mirroring the melting of its northern counterpart, Greenland.
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Art Meets Science at Lamont-Doherty Earth Observatory
Lamont’s 2025 Research as Art exhibit provides a platform for scientists to share their research in a creative way.
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How Can AI Address Climate Justice When Women’s Voices Are Silenced?
Unless women’s lived realities are embedded in AI’s foundations, it risks reinforcing the very inequities it claims to solve.

The first Earth Day in 1970 ignited a movement to stop polluting our planet. Today, our scientists and experts are tackling the most pressing challenges to achieve real-world impact. This Earth Day, join us in our commitment to realizing a just and sustainable future for our planet. Visit our Earth Day website for ideas, resources, and inspiration.
