Climate196
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How High Will Sea Levels Rise?
Scientists from Lamont-Doherty Earth Observatory are trying to determine how high sea levels may rise in the future by studying the shorelines of the past. Led by a team of researchers including Lamont climate scientist and marine geologist Maureen Raymo, the goal of Pliomax is to increase the accuracy of global sea level estimates for…
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Clock Is Ticking in West Antarctic
“The high-resolution records that we’re getting and the high-resolution models we’re able to make now are sort of moving the questions a little bit closer into human, understandable time frames.”
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Weak Underbelly
Antarctica’s uncertain fuse, A “weak underbelly,” said Hughes. Pine Island and Thwaites, Thrown open, the gates? As humans, what path should we choose?
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Climate Change’s Bottom Line
In the face of climate change, companies cannot continue to do “business as usual.” The risks and challenges of the changing climate threaten the bottom line, but also offer unprecedented opportunities.
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Climate and the Opal Artisans of the Sea
Tiny one-celled organisms called radiolaria are ubiquitous in the oceans, but various species prefer distinct habitats. Thus it aroused considerable intrigue in 2012 when protozoa specialist O. Roger Anderson and colleagues published a study showing that radiolaria normally found near the equator were suddenly floating around in arctic waters above Norway. Was this a sign…
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3 Reports Bring a Wake-Up Call: Change the Conversation
Three scientific reports echo the message that climate change and its impacts are here and now, with more to come. So how to change the conversation to reach beyond the already informed and connect to a much larger population?
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Climate Report Author to Take Questions on Friday
Climate scientist Radley Horton, one of the lead authors of the National Climate Assessment report released this week, will answer your questions in an “ask me anything” session on Redditt on Friday starting at 11 a.m.
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Northeast Already Hit by Climate Change, Says Major U.S. Report
Increase in Big Storms, Sea Level, Outpaces Rest of Nation
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Barbados Corals
A new video, “Flip Flops and Outcrops,” captures good vibrations from a recent Columbia University geology field trip to the Caribbean island of Barbados

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
