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 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.