Researchers find 80 percent chance of megadrought in American West due to climate change this century Dust storm in Texas during the Dust Bowl of the 1930s. (news.mongabay.com)
The atlases together show persistently drier - than - average conditions across north - central Europe over the past 1,000 years, and a history of megadroughts in the Northern Hemisphere that lasted longer during the Medieval Climate Anomaly than they did during the 20th century. (ldeo.columbia.edu)
Natural (non-human-induced) variability is still likely the dominant cause of today's droughts, and clearly was for megadroughts evidenced in the paleoclimate record. (dotearth.blogs.nytimes.com)