Droughts appear to be intensifying over much of the West and Southwest as a result of global warming. Over the past decade, droughts in some regions have rivaled the epic dry spells of the 1930s and 1950s. About 34 percent of the contiguous United States was in at least a moderate drought as of August 5.

via Mapping the Spread of Drought Across the U.S. – NYTimes.com.

HT Nancy