Environment News Service: The worst persistent drought ever in the U.S. Southwest and Great Plains will parch the region during the second half of the 21st century, with the drying conditions "driven primarily" by human-induced global warming, new research predicts.
"We are the first to do this kind of quantitative comparison between the projections and the distant past, and the story is a bit bleak," said Jason Smerdon, a co-author and climate scientist at the Lamont-Doherty Earth Observatory, part of the Earth Institute...