Lamont-Doherty Earth Observatory5
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Happy Birthday, Marie Tharp!
State of the Planet celebrates the legacy of this history-making cartographer on what would be her 105th birthday.
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Seismic Study Reveals Hidden Megathrust Earthquake Risk off British Columbia
A new study has revealed the first detailed images of a newly developing subduction zone off the coast of British Columbia.
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A Chaotic Mars-Earth Planetary Cycle May Have Contributed to One of Earth’s Major Warming Events
New research shows that the Mars–Earth orbital cycle once had a 1.6-million-year cycle that coincided with major climate swings.
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Air Pollution Cuts in East Asia Likely Accelerated Global Warming
A new study finds that some forms of air pollution in the atmosphere have helped shade the Earth’s surface from the sun’s energy.
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Toxic Legacies and Transformative Learning: MPA-ESP Students Explore the Gowanus Canal
In June, a group of students stepped out of the classroom and into one of New York City’s most environmentally complex sites.
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Rivers Choose Their Path Based on Erosion—a Discovery That Could Transform Flood Planning
A new study offers insight into natural hazards and river restoration, potentially guiding infrastructure projects ahead of disasters like the recent Texas flooding.
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Two Longtime Lamont Research Professors Honored With New Appointments
Robin Bell has been named the Marie Tharp Lamont Research Professor and Richard Seager the Ewing Lamont Research Professor.
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AI and Climate Justice: Balancing Risk With Opportunity
As AI expands its global reach, how can we ensure its just and inclusive use when applied to climate science?
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African Societies Survived Climate Shifts for Millennia by Diversifying How They Lived
New research sheds light on how communities adapted to past climate change, offering lessons for current and future challenges.

AGU25, the premier Earth and space science conference, takes place December 15-19, 2025 in New Orleans, Louisiana. This year’s theme—Where Science Connects Us—puts in focus how science depends on connection, from the lab to the field to the ballot box. Once again, Lamont-Doherty Earth Observatory and Columbia Climate School scientists, experts, students, and educators are playing an active role, sharing our research and helping shape the future of our planet. #AGU25 Learn More
