Earth Sciences40
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Why Cry for the Cryosphere?
A new book paints a daunting and detailed picture of earth’s natural ice under threat, and explains why what happens in the Arctic doesn’t stay in the Arctic.
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Solved: How Tides Can Trigger Earthquakes
A new study reveals the inner workings of tidally triggered earthquakes, and finds that even the slightest stress can set off a tremor.
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Center for Climate and Life Announces 2019 Fellows
The three new Fellows, all scientists at Lamont-Doherty Earth Observatory, will pursue high-risk, high-reward research that furthers understanding of how climate change impacts human sustainability.
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A Seismologist Present at the Discovery of Plate Tectonics
Lynn Sykes, a pivotal figure in the development of plate tectonics, discusses a new memoir of his career.
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Drilling the Seabed Below Earth’s Most Powerful Ocean Current
Starting this month, scientists aim to study the Antarctic Circumpolar Current’s past dynamics by drilling into the seabed in some of the planet’s remotest marine regions.
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You Asked: What Determines the Oxygen and CO2 Levels in Our Atmosphere?
An Earth Institute climate researcher breaks down why our atmosphere is the way it is, how it’s changed over time, and what the future may hold.
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MESSENGER Data Reveal That Mercury’s Inner Core Is Solid
The new findings offer clues about how the solar system formed and how rocky planets change over time.
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Field Work Ends … For Now
Despite some unpredictable Antarctic weather, the final G-055 team member makes it off the ice.
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Maureen Raymo on Lamont’s Living Library of Earth History
The paleoclimatologist and marine geologist talks about why the miles and miles of marine sediment samples in Lamont’s Core Repository are so important.

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
