California's Central Valley Heavily Impacted By Severe Drought

LEMOORE, CA - APRIL 24: A sign referencing the drought is posted next to a fallow field on April 24, 2015 in Lemoore, California. As California enters its fourth year of severe drought, farmers in the Central Valley are struggling to keep crops watered as wells run dry and government water allocations have been reduced or terminated. Many have opted to leave acres of their fields fallow. (Photo by Justin Sullivan/Getty Images)