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Drought Hurting Crops, Raising Cost of Food

Farmers battle conditions reminiscent of the 1930s Dust Bowl.

Biggest heat spike in history

August 5, 2012

An analysis by a top government scientist says the extreme heat and drought seen in the U.S., Europe and other regions in recent years must be global warming. A new study looking at 11,000 years of climate temperatures shows the

world in the middle of a dramatic U-turn, lurching from near-record

cooling to a heat spike.