Corn plants damaged by extreme heat and drought conditions stand in a field in Carmi, Illinois, U.S., on Wednesday, July 11, 2012. Photographer: Daniel Acker/Bloomberg
An underdeveloped ear of corn lays amongst corn plants damaged by extreme heat and drought conditions stand in a field in Carmi, Illinois, U.S., on Wednesday, July 11, 2012. Photographer: Daniel Acker/Bloomberg
