State of the Planet

News from the Columbia Climate School

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‘Tail Risk’: a Chat with Scientist Radley Horton


We’re talking to experts around the Earth Institute about what they’re working on, what they would like people to know about it, and what inspired them to go into their field.

In this first in the video series, we talk to Radley Horton, an associate research scientist at the Center for Climate Systems Research. One thing he studies is what he calls “tail risk”—the possibility that the models we use to predict climate behavior may be missing some influence that could alter the outcomes, possibly for the worse.

Photo of the Earth from space with the text "Lamont at AGU25" on top.

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

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