Climate66
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As the Greenland Ice Sheet Retreats, Mercury is Being Released From the Bedrock Below
Scientists have found that Greenland’s bedrock is rich with mercury in some areas — and as the ice sheet rapidly melts, that mercury is being released into local waters.
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Renewables Are Key to a Just Energy Future for Puerto Rico
FEMA’s $9.6 billion funding for electric system work in Puerto Rico presents a once-in-a-generation opportunity to transform the energy system, making it healthier for residents and more resilient against future disasters.
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Task Force Presents Advice to U.S. on Climate and Global Migration
Experts call for vastly expanded U.S. programs to aid displaced people.
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Biden Must Nix Treaty Provisions That Allow Fossil Fuel Companies to Sue Governments Directly
Provisions that allow investors to sue countries are being used to undermine climate goals. The latest example: A $15 billion lawsuit from the Keystone XL energy company.
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Lamont-Doherty Earth Observatory: Milestones in Climate Science
Much of the modern understanding of climate change is underpinned by pioneering studies done at Columbia University’s Lamont-Doherty Earth Observatory. Here’s a timeline of significant studies.
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Environmentalists and Glacier Activists Are Poised to Rewrite Chile’s Constitution
A newly elected constitutional assembly is charged with rewriting Chile’s constitution from scratch, with strong representation from Indigenous peoples and environmentalists, including glacier activists.
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What is Needed for Fair and Equitable Managed Retreat?
Self-determination, recognition of historical drivers of climate risk, and a new approach to buyouts, according to participants at a recent conference.
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Are Buyouts a Viable Tool for Climate Adaptation?
At this year’s Managed Retreat conference, experts discussed the limitations and future potential of government buyout programs.
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Summer Forecast: Dangerous Heat, Fire, and an Active Hurricane Season
Climate change may be loading the dice for a tough summer.
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
