Lamont-Doherty Earth Observatory43
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Why Did Glacial Cycles Intensify a Million Years Ago?
A new study suggests that a million years ago, glaciers began sticking more persistently to their beds, triggering cycles of longer ice ages.
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High School Students Learn From and Educate Communities About Hudson River Ecosystems
In the Next Generation of Hudson River Educators program, students learned what community members think about the Hudson and developed tools to share their own findings.
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Tackling a 40 Million-Year-Old Conundrum
A new study bolsters the idea that the uplifts of the Himalayas and Andes that began tens of millions years ago helped trigger the many ice ages that followed.
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Alumni Spotlight: Sharelle Pampo Copple
Copple, a recent alumna of the Sustainability Science program, shares how her experiences at Columbia have helped her make an impact on climate change research.
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Data Scientist Garima Raheja Is Addressing the Environmental Justice Issues of Air Pollution
She’s using air quality sensors to measure how air pollution impacts disadvantaged people in the U.S. and sub-Saharan Africa.
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Quantum Phase Transition Is Detected on a Global Scale in the Deep Earth
Scientists have observed and learned to use subatomic phenomena on the earth’s surface. Now, for the first time, they can see similar things deep within the planet.
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Scientists and Native People Jointly Study Sea-Ice Declines Threatening Seal Hunts
Seals have been a staple for the coastal village of Kotzebue for generations. Rapid changes in sea ice driven by ocean warmth are presenting a challenge for hunters.
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Arctic Sea Ice May Make a Last Stand in This Remote Region. It May Lose the Battle.
Researchers have zeroed in on what they call the Last Ice Area, where the last year-round Arctic ice, and associated ecosystems may–or may not–survive in a warmer future.
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Now-Extinct Giant South American Sloth Likely Devoured Meat With Its Vegetables
Up to now, it has been thought that the two-ton Darwin’s ground sloth, which lived up to 10,000 years ago, was strictly vegetarian. Apparently not.
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