Earth Sciences
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Life Aboard the Langseth: A Q&A With Chief Science Officer Cody Bahlau
On Columbia’s global research vessel, the R/V Marcus G. Langseth, Bahlau serves as the key link between scientists, crewmembers and operations on shore.
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June Research Roundup: Select Papers
In this month’s edition of our research roundup, we highlight a new study on African air pollution; deep Earth carbon recycling; and a Pacific cooling mystery.
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Carbon Dioxide and Water Played Key Roles in Historic Mount Etna Eruptions
Understanding these dynamics can help geologists assess the risk of future eruptions.
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New Research Indicates That in the Future, Trees May Store Less Carbon Than Expected
Even as trees photosynthesize late into the year, their growth stops by mid-summer, which impacts their carbon uptake.
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Geologist Folarin Kolawole Receives 2026 National Geographic Wayfinder Award
Folarin Kolawole is one of 15 recipients of this year’s National Geographic Society’s Wayfinder Award, which recognizes people whose work is expanding our understanding of the planet and helping to protect its future.
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World Oceans Day Reimagines Our Relationship With the Water Around Us
In honor of this annual U.N. event, we are highlighting our coverage of ocean research and education initiatives at the Columbia Climate School and Lamont-Doherty Earth Observatory.
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Why Manhattanhenge Matters Beyond the Sunset
Manhattanhenge is a reminder that we live on a tilted, rotating planet orbiting something much larger—a perspective scientists link to stronger spatial awareness and environmental concern.
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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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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.

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!
