ecology4
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Ancient Pollen Points to Mega-Droughts in California Thousands of Years Ago
Ancient pollen spores that were in the air when mammoths roamed Southern California are providing new insights into historic droughts in the region, including how a series of mega droughts 25,500 to 27,500 years ago changed the ecological landscape.
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The Otherworldly and Elusive Life Beneath Antarctica’s Ice
While renowned for the penguins, Antarctica is perhaps equally well known for what it doesn’t have: basically, anything else. But scientist Steven Chown says the view that the icy continent lacks life is “simply not true.”
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
