Gernot Wagner
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How Hard Is It to Dim the Sun?
Solar radiation management is gaining traction as a climate intervention—but new research warns that real-world constraints make it riskier and more uncertain than most models suggest.
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Powering the Future: Innovative Renewable Energy Projects Around the World
Take a virtual tour of some remarkable renewable energy projects from around the globe, each showcasing innovative technology, ambitious scale, and a commitment to a cleaner, more sustainable future.
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‘Doomsday’ Antarctic Glacier Melting Faster Than Expected, Fueling Calls for Geoengineering
With the fate of the Thwaites Glacier still uncertain, some experts are pushing for geoengineering and more intense climate action.

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
