A tractor cuts down corn in a field designated as zero yield on a farm in Vigo County near Terre Haute, Indiana, U.S., on Tuesday, July 31, 2012. The U.S. Department of Agriculture has declared more than half the counties in the country natural disaster areas as drought sears millions of acres of pasture and cropland. Photographer: Victor J. Blue/Bloomberg via Getty Images
iVictor J. Blue / Bloomberg via Getty Images

2012 Drought