Planet-friendly Diet (IMAGE) University of Chicago Caption Gidon Eshel and Pamela Martin, Assistant Professors in Geophysical Sciences at the University of Chicago, prepare a planet-friendly salad lunch. Their study on diet, energy and global warming has been accepted for publication in the journal Earth Interactions. 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.