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Solar Energy Explains Fast Yearly Retreat of Southern Ocean Sea Ice
Sea ice in the Southern Ocean retreats each year much faster than it develops. This has puzzled scientists, but the explanation turns out to be simple.
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Mining Garbage and the Circular Economy
The construction of waste management and material mining facilities is essential for the development of a circular economy, and the evolution toward a circular economy is a prerequisite for sustainable cities.
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Machine Learning Techniques Can Speed Up Glacier Modeling By A Thousand Times
Glacier modeling techniques that involve artificial intelligence can produce high fidelity results to a large number of questions much more quickly than traditional approaches.
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Continuing the Survey: Watermelon and Winds
Continuing our electromagnetic survey of fresh and saline groundwater, we saw the landscape change from lush watermelon fields to fallow rice fields as the salinity increased towards the sea.
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Shubhi Kesarwani: Studying Sustainability Management to Advance Water Solutions in India
She’s the founder of a company that devises water management solutions in India, and a student in Columbia’s Sustainability Management program.
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The Matterhorn: Alive With Vibrational Energy
In a recent study, researchers found that the Matterhorn is constantly swaying to the seismic energy of earthquakes and ocean tremors felt around the world.
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U.N. Pushes to Cut Worldwide Vulnerability to Climate Extremes Through Better Early Warnings
All the satellite tracking of great storms, heat and other climate hazards doesn’t have value if those most in harm’s way aren’t reached in ways that boost resilience.
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Internship Opportunities With Professor Steve Cohen
Professor Cohen is seeking two interns to provide broad administrative and research support for the spring and summer 2022 semesters.
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The Canary in the Coal Mine: Frank Granshaw on Glaciers and Geoscience Education
Frank Granshaw discusses changes in geoscience, education, and glaciers throughout his career as a glacial geologist and climate science educator.

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
