Contact: Steve Koppes
University of Chicago
Caption: Pamela Martin and Gidon Eshel, Assistant Professors in Geophysical Sciences at the University of Chicago, enjoy a planet-friendly salad lunch. Their research shows that the food people eat is just as important as what kind of cars they drive when it comes to creating the greenhouse-gas emissions that many scientists have linked to global warming.
Credit: Photo by Lloyd DeGrane
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