Lamont-Doherty Earth Observatory106
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Why Do Floods Sometimes Happen on Sunny Days?
Some towns and cities can get soaked even when the skies are dry—and these so-called sunny day floods are on the rise thanks to climate change.
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A Bit of Sun on an Antarctic Thanksgiving
The Rosetta team made two big accomplishments this week: Our lidar returned some beautiful 3D images of the sea ice topography, which can be used to study small details of the ice. And our own Chloe Gustafson won first place in the Antarctic Turkey Trot. She now holds the honor of being the first woman…
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Greener on the Other Side: ESP Students’ Sustainability Podcast
Students from the MPA in Environmental Science and Policy program at SIPA have produced a podcast called “Greener on the Other Side,” on sustainability, climate change, and the environment.
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Ear to the Ground, Listening for Nuclear Blasts
Seismologist Lynn Sykes has been working for more than 50 years to halt the testing of nuclear bombs. In his forthcoming book, Silencing the Bomb: One Scientist’s Quest to Halt Nuclear Testing, Sykes provides an insider’s look at the science behind detecting explosions, and international efforts to establish a series of treaties.
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Wind, Snow and Ice: Summer in Antarctica
The theme of the past week has been the weather. Weather is of course always happening, but in the lingo of McMurdo Station, ‘weather’ means ‘bad weather.’
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What We Know About Medicanes—Hurricane-Like Storms in the Mediterranean
They’re rare but can be dangerous, as demonstrated by Medicane Numa’s destruction in Greece last week.
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Ocean Sediments Off Pacific Coast May Feed Tsunami Danger
Tightly packed sediments help the Cascadia Subduction Zone generate large earthquakes, and could boost its ability to trigger a large tsunami.
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Let’s Talk About Crevasses—Deep Fractures in Antarctica’s Ice
The word “crevasse” sends shivers down the spine of anyone who works on a glacier. Sometimes hundreds of feet deep and hidden beneath a thin layer of snow, these cracks have claimed the lives of many polar explorers and scientists. They also appear quite frequently in our sensors as we fly our survey flights for…
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Lamont to Harvest Sunshine from Solar Farm
Two solar arrays in Upstate New York will be up and ready at the end of November, poised to provide power and to help to reduce the Lamont campus’ carbon footprint.

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
