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
Corn plants damaged by extreme heat and drought conditions are photographed against a white background in a field in Carmi, Illinois, U.S., on Wednesday, July 11, 2012. Photographer: Daniel Acker/Bloomberg
A corn plant damaged by extreme heat and drought conditions is photographed against a white background in a field in Carmi, Illinois, U.S., on Wednesday, July 11, 2012. Photographer: Daniel Acker/Bloomberg
