Warming pushes Western US toward driest period in 1,000 years: Unprecedented Risk of Drought in 21st Century

12 febrero 2015

During the second half of the 21st century, the US Southwest and Great Plains will face persistent drought worse than anything seen in times ancient or modern, with the drying conditions ‘driven primarily’ by human-induced global warming, a new study predicts.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/QHb1s4F1hIk/150212154527.htm