Earth Sciences85
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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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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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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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Photo Essay: Norwegian Rocks
Geologist John Templeton recently spent a year on Norway’s west coast trying to understand how rocks now at the surface made an epic journey deep into Earth’s interior and back during the growth and subsequent collapse of the ancient Caledonian mountains. Check out a photo essay describing his work.
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The Breathing Ocean
Far south and farther south, where winds are cold and screaming, Waters churn, and deep below, old sediments lie dreaming. A million years’ residuum of life and death and dust, A library of ice ages reposed upon Earth’s crust.
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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
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Climate Change Innovator Elected to National Academy
Peter Kelemen, a geologist at Lamont-Doherty Earth Observatory who studies rocks from the deep earth and, recently, their possible uses in battling climate change, has been elected to the National Academy of Sciences.
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Amid a Fossil Bonanza, Drilling Deep into Pre-Dinosaurian Rocks
On a high ridge in Arizona’s Petrified Forest National Park, paleontologist Paul Olsen sits on the fallen trunk of a 215-million-year-old tree, now turned to stone. The tree once loomed 70 or 80 feet above a riverine landscape teeming with fish, turtles, giant crocodilians and tiny, early species of dinosaurs.
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Photo Essay: Unearthing the Lost World Below a Petrified Forest
In Arizona’s Petrified Forest National Park, researchers are scouring the fossil-rich surface and drilling deep into ancient rocks to learn what happened during the late Triassic, some 201 million to 235 million years ago.
Congratulations to our Columbia Climate School Class of 2026 and all of our 2026 Columbia University graduates! Learn more about our May 15 Climate School Class Day celebration. 💙 #Columbia2026 #ColumbiaClimate2026
