desertification
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The Earth Is Getting Drier
Desertification is occurring in many parts of the world, including the western U.S., Brazil, most of Europe, Asia and central Africa. Is it too late to reverse it?
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Climate & Water in a Changing Africa: Uncertainty, Adaptation & the Social Construction of Fragile Environments
A special issue for the journal of the American Academy of Arts and Sciences examines water (in)security in Africa in an age of global climate change.
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You Asked: Can the Great Green Wall Stop the Sahara From Expanding?
A climate scientist answers readers’ questions about an initiative that would plant a vast wall of trees to combat the effects of climate change.
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Monaco Supports Sustainable Development in Mali
NEW YORK, April 11 – The Prince Albert II of Monaco Foundation and the Principality of Monaco have launched a new partnership with the Earth Institute, Columbia University that stands to make important new strides in protecting biodiversity and addressing the urgent needs of the rural poor in Mali. With a $1.5 million grant, this…

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
