Diet, Energy and Global Warming (IMAGE) 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 Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.