AdvertisementAre Recent Heat Waves A Result Of Climate Change?August 06, 2012Christopher JoycefacebookEmailCattle use a tree for shade as temperatures rose above 100 degrees in a pasture July 28, 2011, near Canadian, Texas. (Getty Images)
Cattle use a tree for shade as temperatures rose above 100 degrees in a pasture July 28, 2011, near Canadian, Texas. (Getty Images)