Press Release6
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Study Identifies Jet-Stream Pattern That Locks in Extreme Winter Cold, Wet Spells
Recently, scientists connected giant waves in the global jet stream to hot, dry spells gripping widely separated parts of the planet at the same time. Now they have done the same for winter weather.
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New Study Pins Time of Greenland’s Last Melting to Some 400,000 Years Ago
A study adds evidence that the Greenland Ice Sheet will be vulnerable to human-induced climate change in coming centuries.
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Acutely Exposed to Changing Climate, Many Greenlanders Do Not Blame Humans
The Arctic is warming much faster than most of the world, and because many Greenlanders live close to nature, they are personally feeling the effects. Yet the idea that humans are changing the climate is a stretch for many people. Why?
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Study Highlights 6 Tools for Decolonizing Climate Research
While there’s no quick fix for the legacies of colonization, researchers argue that it starts with recognizing Indigenous knowledge systems alongside Western scientific methods.
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1,000-Plus Years of Tree Rings Confirm Historic Extremity of 2021 Western North America Heat Wave
Scientists quickly pronounced the summer 2021 heat wave that hit western North America to be unprecedented, but they had no long-term physical proof. Now they do.
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Cutting Confederate Ties, the U.S. Navy Names Ships for a Pioneering Female Oceanographer and a Daring Enslaved Pilot
Marie Tharp was a marine scientist in a man’s world. Robert Smalls was a skilled sailor, but held as a slave. Both are now being honored by the U.S. Navy.
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More Frequent Atmospheric Rivers Are Hindering the Recovery of Arctic Sea Ice
Giant trains of warm, moist air are playing havoc with Arctic sea ice during the season when it should be recovering from summer melting.
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Restoring Land for Livelihoods Can Have Ecological Benefits, Study Suggests
Acoustic recorders detected promising changes in the soundscape after a restoration project in India.
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Explorer of Deep Earth Wins Vetlesen Prize
Using sophisticated equipment, David Kohlstedt has recreated the pressure, temperature and chemical conditions in the Earth’s mantle, which humans cannot observe directly. His findings have laid the basis for understanding many of the processes that drive the planet’s dynamics.

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
