Rising temperatures between 1981 and 2002 caused a loss in production of wheat, corn and barley that amounted in effect to some 40 million tons a year according to one of the first scientific studies of how climate change has affected cereal c
Rising temperatures between 1981 and 2002 caused a loss in production of wheat, corn and barley that amounted in effect to some 40 million tons a year according to one of the first scientific studies of how climate change has affected cereal c