climate change
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Come Visit Us at Lamont Open House
Join Lamont-Doherty Earth Observatory in Palisades, NY, on Saturday, Oct. 17, for a free, family-friendly event. Explore research facilities through lab tours, exhibits, hands-on activities and talks.
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El Niño 2026: How Big Could It Get?
The current El Niño will break all sea-surface temperature records to date and will very likely deliver unprecedented weather-related impacts around the world.
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Real Science, Right Now: How High School Students Are Researching Climate Solutions
Through Columbia Climate School and Lamont-Doherty Earth Observatory programs, students conducted hands-on climate research to build scientific, analytical and communication skills.
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New Report: Ocean Carbon Removal Shows Promise, But Big Questions Remain
Marine carbon dioxide removal could support climate action but faces major scientific, technical and governance challenges, according to a National Academies of Sciences, Engineering, and Medicine report.
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Join Columbia Climate School at Climate Week 2026
The Climate School is excited to again serve as Climate Group’s education partner and host a full lineup of events on and off campus throughout the week.
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Unused Natural Gas Behind NYC’s $300 Million Waste of a Potent Greenhouse Gas
New research may offer cities an overlooked pathway for reducing methane emissions while potentially saving consumers millions of dollars lost to wasted natural gas.
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August Research Roundup: Select Papers
This month, we covered a long-term analysis suggesting that landfill methane emissions may be far higher than estimated, as well as new research on unexpected trends in U.S. extreme rainfall. Here are additional studies worth noting.
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Yan Yao Joins Columbia Climate School and Columbia Engineering to Advance Next-Generation Energy Storage
Yao’s arrival advances the university’s shared mission to develop innovative solutions at the intersection of energy, sustainability and the environment.
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Long-Term Study Suggests Landfill Methane Emissions Are Far Higher Than Estimates
A major New Jersey landfill emitted about five times more methane in 2023 than was reported to the U.S. Environmental Protection Agency.

On Saturday, October 17, 2026 from 10am to 4pm, Lamont-Doherty Earth Observatory Open House—our biggest, best science fun and discovery event of the year—will take place on our beautiful campus in Palisades, NY. Mark your calendar and join us for this free, family-friendly celebration of science! RSVP Today!
