Southwest may face 'megadrought' within century, study finds
Tuesday, August 26, 2014 - 07:00
in Biology & Nature
(Phys.org) —Due to global warming, scientists say, the chances of the southwestern United States experiencing a decadelong drought is at least 50 percent, and the chances of a "megadrought" – one that lasts up to 35 years – ranges from 20 to 50 percent over the next century.