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Water-Saving Project in Punjab, India Reaches Out to Farmers Through Cooperatives
After working with over 500 farmers last year to conduct a field experiment on the use of tensiometers to reduce irrigation in rice fields, this year they will be working with about 5,000. As part of this expansion, our program partners at the Punjab Agricultural University (PAU) are working with Cooperative Societies, a network of…
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A Focus on the Thinning Northwest Greenland Glaciers
Blog by Hakim Abdi, LDEO Satellite measures showing thinning ice on the Northwest Greenland glaciers prompted Operation IceBridge to include annual flights over this region. The area runs along the Baffin Bay coast, which is often covered in fog and low lying clouds forcing delays and reschedules. With the end of our season in sight…
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The Push to Dam China’s Rivers
China already has half the world’s large hydroelectric dams (25,800), but along the Yangtze River and its tributaries, 100 large dams are either being planned or built and 43 additional dams are in the works.
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The Confounding Economics of Natural Disaster Shocks
Something seems to be amiss with the way standard economics views the outcomes of natural disasters. This post i placed in OECD Insights and in Earth Magazine discusses some of the puzzles posed by the interaction between extreme events and different societies.
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Apply for *NEW* Executive Courses in Conservation and Environmental Sustainability
The Center for Environmental Research and Conservation at Columbia University provides professionals with the knowledge and tools to be effective environmental leaders and decision makers in the 21st century. It is an evening program in which environmental issues are discussed, debated and examined, where participants develop an in-depth understanding of conservation science and practice through…
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Measuring Gravity From a Moving Aircraft Requires a ‘Gravi-God’!
From: Joël Dubé, Engineer/Geophysicist at Sander Geophysics, OIB P-3 Gravity Team One of the instruments used in Operation IceBridge (OIB) is an airborne gravimeter operated through a collaboration between Lamont Doherty Earth Observatory of Columbia University and Sander Geophysics of Ottawa, Canada. People from other instrument teams have been heard to call it a gravity…
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Switchyard Project: Melting Ice, a Fresher Arctic
The freshwater content of the Arctic Ocean is increasing as the Earth’s climate warms. Chemical analysis indicates that the source is both melting ice and the Pacific Ocean.
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Earth Institute and Merck Foundation Expand Health Program in Africa’s Millennium Villages
With $1 million in renewed support from The Merck Company Foundation, the Millennium Villages project will continue to strengthen its Community Health Worker (CHW) program to address gaps in primary health care availability in sub-Saharan Africa. Initial funding of $869,000 from The Merck Company Foundation launched the first phase of the project in 2009 by…
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The American Climate Gap
There’s a growing gap between scientists’ view of climate change and that of the general public, and it has less to do with scientific “illiteracy,” and more to do with the psychology of how people frame their understanding of the world, say the authors of a paper just published in the journal American Psychologist.
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
