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Part of the Pacific Ocean Is Not Warming as Expected. Why?
Climate models predict that as a result of human-induced climate change, the surface of the Pacific Ocean should be warming. But one key part is not.
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Scientists Map Huge Undersea Fresh-Water Aquifer Off U.S. Northeast
In a new survey of the sub-seafloor off the U.S. Northeast coast, scientists have made a surprising discovery: a gigantic aquifer of relatively fresh water trapped in porous sediments lying below the salty ocean.
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Video: Glacier Research on the Juneau Icefield in Alaska
Research by Lamont’s Johnny Kingslake and Elizabeth Case advances understanding of ice sheet dynamics and how our world may change in the coming centuries.
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U.S. Climate Change Litigation in the Age of Trump: Year Two
A new report documents 94 attempts by the Trump Administration to undermine climate protections in 2017 and 2018—and finds that the courts have largely constrained these rollbacks.
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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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How Changes in Climate Impacted Ancient Civilizations
William D’Andrea studies past climates to see how societies such as the Vikings and the Rapanui of Easter Island dealt with environmental change. His work may help us adapt to a hotter future.
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Climate Change is Destroying a Barrier That Protects the U.S. East Coast from Hurricanes
A new study finds that as air circulation patterns change with the climate, coastal states could get hit with stronger hurricanes.
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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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Drought: A Wide-Angle Picture
A new book, the second in a series of primers with the Earth Institute imprint, provides an interdisciplinary overview drought, bringing together many fields including climate science, hydrology and ecology.
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
