State of the Planet

News from the Columbia Climate School

,

What Does the Changing Climate Mean for Food Security?

Best-selling author and climate activist Bill McKibben recently joined Columbia Mailman professor Lew Ziska for a conversation about the threat of climate change on global food security. The conversation was moderated by Alfredo Morabia, editor of the American Journal of Public Health and professor of epidemiology.

McKibben said climate-related disasters are already making it harder to grow food, contributing to an uptick in hunger around the world—a sharp reversal after decades of nutrition gains. “The most basic human question is ‘what’s for dinner?’ or even more basically, ‘is there going to be any?’” he said. “That’s a question we thought we had begun to lick in the 20th century. It’s now a question that is being deeply reopened.”

Read more and watch the video here.

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

Subscribe
Notify of
guest

0 Comments
Newest
Oldest
Inline Feedbacks
View all comments