Perrine Toledano
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The Energy Transition Will Need More Rare Earth Elements. Can We Secure Them Sustainably?
Scientists are exploring a variety of ways to provide raw materials for the energy transition with less harm to people and the planet.
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What Did COP27 Accomplish?
Delegates from Columbia Climate School discuss the achievements and shortfalls of COP27, as well as what took place outside the negotiation room.
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COP27: Delegates From the Columbia Climate School Share Their Plans and Hopes
A number of representatives from the Columbia Climate School will be attending the global climate summit in Egypt. Here’s what they’ll be up to, and what they hope to achieve.

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
