Climate-boosted drought in western US worst in 1,200 years

by Marlowe HOOD Agence France-Presse PARIS, France (AFP) – The megadrought that has parched southwestern United States and parts of Mexico over the last two decades is the worst to hit the region in at least 1,200 years, researchers said Monday. Human-caused global heating accounts for more than 40 percent of the dry spell’s intensity, they reported in the journal Nature Climate Change. “The turn-of-the-21st-century drought would not be on a megadrought trajectory without anthropogenic […]