Earth Sciences42
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New Tree Ring Analysis Method May Open Insights to Past Climate
Measurements of stable isotopes in tree rings may expand the climate information that scientists can get from old trees.
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Found: The Mechanism for Arctic Cold Air Outbreaks into Eurasia
New developments in climate research led by atmospheric scientist Yutian Wu are adding to our understanding of the “polar vortex” and other extreme events.
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Communications Workshop Helps Bridge Gap Between Scientists and Public
On February 21, scientists learned the essentials of science communication during a half-day workshop at Lamont-Doherty Earth Observatory.
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Into Deep Field
Moving a team from a science base into a deep field camp in Antarctica comes with a mix of high energy and optimism.
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Wallace Broecker, Prophet of Climate Change
Wallace Broecker, a geochemist who initiated key research into the history of earth’s climate and humans’ influence upon it, died Feb. 18 in New York. He was 87.
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Photo Essay: On an Island, a Lost Part of the World Is Found
On the volcanic Indian Ocean island of Anjouan, scientists are investigating a rock that apparently formed on a far-off continent.
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On a Remote Island, a Lost Part of the World Is Found
On a small volcanic island in the Indian Ocean lies a geologic enigma—a mass of pure white quartzite sandstone apparently formed on a faraway continent long ago. How did it get there?
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Dressing Boulders for Science
Attaching the sensors that will help us study erosion rates required vacuum grease, patience, and a lot of masking tape.
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Camp Life in Antarctica and the Importance of Epoxy
From cooking to going to the bathroom, here’s what daily life is like in a remote Antarctic camp.
COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
