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Tokyo Olympics 2021: What Will Be the Lasting Impacts?
What are the long-term benefits of Olympic games to cities? Do these events tend to reduce inequities and expand opportunities, or do they exacerbate existing disparities?
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Internship Opportunity: All Ivy Career Fair Outreach
The Earth Institute is seeking three interns to assist with outreach for the 2022 Virtual All Ivy Environmental and Sustainable Development Career Fair.
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What it’s Like at Columbia Climate School in the Green Mountains
The immersive and exciting program took students through deep dives into climate science and live problem-solving simulations.
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Meet Pucheng Xuan From Columbia Climate School’s Inaugural Class
Xuan is part of the first class of Climate and Society students who will graduate from the new Columbia Climate School.
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Climate Policy’s Critical Moment is Here
The environmental catastrophe predicted by climate modelers a generation ago is upon us. We need to provide the resources and organizational capacity required to end most use of fossil fuels as fast as possible.
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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.

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
