Press Release
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Societies Are Unprepared for the Human Costs of Climate Overshoot
While scientists have made progress describing overshoot’s physical impacts, its humanitarian and social consequences need greater focus, say the authors.
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Reducing Arsenic in Drinking Water Cuts Risk of Death, Even After Years of Chronic Exposure
Published today in JAMA, a 20-year study of nearly 11,000 adults in Bangladesh found that lowering arsenic levels in drinking water reduced the risk of death from chronic illnesses, compared with continued exposure.
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How Hard Is It to Dim the Sun?
Solar radiation management is gaining traction as a climate intervention—but new research warns that real-world constraints make it riskier and more uncertain than most models suggest.
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A New Study Indicates Forest Regeneration Provides Climate Benefits, but Won’t Offset Fossil Fuels
Effective climate policy must treat forest regeneration and emissions reductions as complementary strategies, not alternatives, according to a new paper.
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Earth’s Crust Is Tearing Apart off the Pacific Northwest—and That’s Not Necessarily Bad News
Using seismic reflection imaging—essentially an ultrasound of the Earth’s subsurface—and detailed earthquake records, researchers captured a subduction zone in the process of tearing itself apart.
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Study of Extreme Indian Rainfall Upends Conventional Wisdom
While El Niño often brings drought conditions to India, a new paper shows that it also increases the likelihood of devastating downpours in some of the country’s most heavily populated regions.
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The Ocean Carbon Sink Is Ailing
Measurements analyzed by an international research team indicate the global ocean absorbed significantly less CO₂ than anticipated during the unprecedented marine heatwave in 2023.
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Columbia Climate School Welcomes New Faculty To Start the Academic Year
This expansion reflects the school’s sustained efforts to strengthen climate research and cross-disciplinary collaboration, while preparing future leaders with the skills to tackle the global climate crisis.
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Columbia Climate School Launches Climate, Earth, and Society Distinguished Fellows Program
A new initiative will unite globally renowned leaders to drive bold, collaborative action on the most urgent challenges facing our climate, Earth and society.

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
