climate change
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Ancient Dust Points To Retreat of West Antarctic Ice Sheet During Last Warm Period
Antarctica’s Ross Ice Shelf and the West Antarctic Ice Sheet may have been far smaller during one of Earth’s most recent warm periods, according to a new study.
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The Paradox of AI and Climate
AI is a two-sided coin, with tremendous potential to benefit the environment while also requiring an immense amount of water and energy. How will these two opposing dynamics balance out—or can they?
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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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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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Indigenous Herders and Peru’s Melting Glaciers: A Conversation with Anthropologist Allison Caine
Caine’s new book depicts a small community in the glacier-fed Peruvian Highlands as it navigates climate change and social pressures.
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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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As Climate Change Exacerbates Extreme Weather, Olive Oil Feels the Squeeze
Intensifying droughts and extreme heatwaves are having a profound impact on olive quality, quantity and price, according to recent research.
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Can Capitalism Solve the Climate Crisis?
The inaugural Perspectives Dialogue Series event brought together prominent thinkers with diverse perspectives on capitalism and the role it could play in solving climate change.
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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.
Congratulations to our Columbia Climate School Class of 2026 and all of our 2026 Columbia University graduates! Learn more about our May 15 Climate School Class Day celebration. 💙 #Columbia2026 #ColumbiaClimate2026
