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Less Rice and More Nutritious Crops Will Enhance India’s Food Supply, Study Says
A new study finds that diversifying India’s crops could provide better nutrition for 200 million undernourished people.
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As Climate Warms, Plants May Demand More Water, Cutting Supplies for People
New study challenges many climate scientists’ expectations that plants will make much of the world wetter in the future.
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Education Brings Sectors Together to Address Fluorosis in Alirajpur
A new project from the Center for Sustainable Development and Lamont-Doherty Earth Observatory will use education interventions to try to curb fluorosis, caused by high fluoride levels in drinking water, in Alirajpur, India.
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Ben Orlove on the Anthropology of Climate Change and Glacier Retreat
Scientist Ben Orlove discusses why it’s important to bring an anthropological dimension to the science of climate change and glacial retreat.
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Meet the Students Studying Environmental Issues in the Middle East in 2019
This July, Columbia University and Tel Aviv University will send graduate students to the Middle East to learn about the environmental challenges facing communities in Jordan and Israel.
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Scientists Map Huge Undersea Fresh-Water Aquifer Off U.S. Northeast
In a new survey of the sub-seafloor off the U.S. Northeast coast, scientists have made a surprising discovery: a gigantic aquifer of relatively fresh water trapped in porous sediments lying below the salty ocean.
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Scientists See Fingerprint of Warming Climate on Droughts Going Back to 1900
In an unusual new study, scientists say they have detected a growing fingerprint of human-driven global warming on global drought conditions starting as far back as 1900.
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As Oceans Warm, Microbes Could Pump More CO2 Back Into Air, Study Warns
A new study suggests bacteria may respire more carbon dioxide from the shallow oceans to the air as seas warm, reducing the deep oceans’ ability to store carbon.
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Columbia Water Center: A Decade of Cutting Edge Research
To mark its anniversary, the Columbia Water Center has released a new report highlighting its achievements over the past decade. Read an excerpt, then download the full report.

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
