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Jonathan Foley on food, water and the global environment

cattle for food
Grant Breitkreutz said he has 290 head of cattle on his farm in rural Redwood Falls, Minn. Breitkreutz is a chairman of the Minnesota State Cattlemen's Association board.
Jackson Forderer for MPR News

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On Earth Day, and the first day of MPR's Water Month, global scientist Jonathan Foley gives a Chautauqua Lecture on the ways our current system of food production damages water and the environment, and discusses his controversial National Geographic cover story.

Formerly director of the University of Minnesota's Institute on the Environment, Foley is now head of the California Academy of Sciences. He spoke at the Chautauqua Institution in 2014.