201925
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Climate Change Could Revive Medieval Megadroughts in U.S. Southwest
Study picks apart factors that caused severe, long-lasting droughts and suggests increased risk for future.
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From Sonatola to the Sundarbans
By working a 16-hour day, we managed to get both GPS and SETs completed at our first field site. We then sailed into the Sundarban Mangrove Forest, the world’s largest, to visit an existing site and make measurements.
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Fusing Sustainability and Education in New York City Schools
Oren Pizmony-Levy works to help schools engage with environmental and social justice issues at every level.
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Nothing to Sneeze At: How Climate Change Could Make Your Allergies Worse
As the world warms, plants may benefit but pollen allergies will likely get worse.
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Delays in Dhaka
I am back in Bangladesh for a new project examining the balance between sea level rise, land subsidence and sedimentation. We will be installing, repairing or upgrading equipment to measure changes to the landscape.
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Robots Roaming in Antarctic Waters Reveal Why Ross Ice Shelf Melts Rapidly in Summer
A new study reveals how local factors influence the Ross Ice Shelf’s stability, refining predictions of how it will change and influence sea rise in the future.
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How Did Africa’s Grasslands Get Started?
Millions of years ago, vegetation across much of the world underwent a transformation as grasses with a new way of doing photosynthesis displaced previously dominant plants, shrubs and trees. A new study examines what got these plants started, and why they spread so far and wide.
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Modernizing New York’s Energy System
Wind projects such as the ones that will soon be built in New York have an important role to play in changing our energy system.
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How a Drilling Ship Pulls Cores From 2.5 Miles Below the Sea
Recovering ancient seafloor sediments requires complicated machinery and a skilled crew.
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
