Risk of American ‘megadroughts’ for decades, NASA warns

There is no precedent in contemporary weather records for the kinds of droughts the country’s West will face, if greenhouse gas emissions stay on course, a NASA study said. No precedent even in the past 1,000 years. The feared droughts would cover most of the western half of the United States — the Central PlainsContinue reading “Risk of American ‘megadroughts’ for decades, NASA warns”