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Dakota Midday: SDSU Holtry Lecturer

www.earth.columbia.edu

Columbia University ecologist Ruth DeFries discusses how global prosperity benefits people and nature. Dr. DeFries is the author of The Big Ratchet: How Humanity Thrives in the Face of Natural Crisis. She speaks Thursday night at South Dakota State University in Brookings for the Holtry Lecture.

Lori Walsh is the host and senior producer of In the Moment.