Climate5
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A New Study Explains How Carbon Dioxide Cools the Upper Atmosphere—and Warms Earth Below
Researchers have solved a long-standing atmospheric puzzle: how rising carbon dioxide cools the stratosphere even as it warms Earth’s surface and lower atmosphere.
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Why We’re All on the Same Team in the Fight Against Climate Change
Campbell Award winner Marina Saguar Urquiola is helping to solve climate change through adaptation finance.
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“Near-miss” Tsunami in Alaskan Cruise Area Offers Lessons for Steep Landscapes Near Glaciers
As glaciers retreat in warming regions, the risk of related hazards can increase, and improved monitoring may help reduce some of those dangers, according to a new study.
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You Asked: Lamont and Climate School Experts Tackle Reader Questions on Science and Sustainability
We invite readers to share their most pressing questions about climate, science and sustainability.
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Lamont Paleoclimatologist Maureen Raymo Receives the 2026 Nemmers Prize
Raymo received the award for her pioneering development of hypotheses that explain climate change across Earth’s history, and her educational leadership in the Earth system sciences.
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Geologist Mike Kaplan Named 2026 Guggenheim Fellow
Kaplan studies the ways ice sheets, mountain glaciers, climates and landscapes changed in the past.
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Climate Work Is Personal for This Class Day Speaker
Annika Bellot focuses on international law and decarbonization efforts to help save small island states like Dominica, where she grew up.
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Partnering for Environmental Justice in Harlem
Now in its fifth year, the annual conference was created to highlight the critical climate-driven health and environmental impacts affecting our shared community.
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Why Climate Work Is Community Work
At a recent Climate School event, speaker Memphis Washington discussed the Waterfront Alliance’s climate resilience and environmental justice efforts in Coney Island.
You Asked invites you to share your most pressing questions about climate, science, and sustainability. Lamont-Doherty Earth Observatory and Columbia Climate School experts will respond with clear, evidence-based answers. Pose your questions and story ideas!
