Nature World: California has been suffering from a three-year-drought that is the worst the region has seen in more than a millennium. Now an analysis conducted by NASA has revealed that in order for the state to recover from its current predicament, it's going to have to gain 11 trillion gallons of water back somehow.
That finding was part of an overall review of the drought's recent peak, which was conducted by NASA experts and presented Tuesday at the American Geophysical Union meeting in San Francisco....