Lamont-Doherty Earth Observatory10
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Greenland Ice Cap Vanished Just 7,000 Years Ago
The first study from GreenDrill finds that Greenland’s Prudhoe Dome ice cap had fully melted much more recently than previously thought.
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Sea Levels Are Rising—But in Greenland, They Will Fall
Even as global warming causes sea levels to rise worldwide, sea levels around Greenland will likely drop, according to a new paper.
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Human Activity Is Driving Rapid Sinking of World’s River Deltas
New research, published in Nature, documents the rate of elevation loss in the world’s deltas, and finds that people are the primary reason for it.
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TRACX Program Connects Educators Worldwide with Ocean Science Research
Last summer, teachers from around the globe got a hands-on opportunity to engage in research alongside scientists at the Gulf Coast Repository at Texas A&M University.
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Year in Review: Our Top Stories of 2025
A look back at the stories and videos that shaped our year at State of the Planet.
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Vast Freshwater Reserves Found Beneath Salinity-Stressed Coastal Bangladesh
Drinking water is often scarce in Bangladesh. These researchers have tapped into a potential solution.
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Scientists Search for Ancient Climate Clues Beneath Antarctic Ice
An international team, including researchers from Columbia’s Lamont-Doherty Earth Observatory, is attempting to drill for mud and rocks holding critical insights about the fate of the West Antarctic Ice Sheet in our warming world.
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Securing the Future of Glacier Monitoring in a Warming World
The results of a recent community effort highlight the rapid decline of glaciers worldwide, as well as the importance and challenges of glacier monitoring.
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American Geophysical Union 2025: Key Scientific Presentations From Lamont-Doherty Earth Observatory and Columbia Climate School
Check out a guide to some of our notable research at this year’s AGU conference.
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
