- Friday 01 July 2022
American West's megadrought deepened so much last year that it is now the driest in at least 1,200 years and is a worst-case climate change scenario playing out live, a new study found. A dramatic drying in 2021—about as dry as 2002 and one of the driest years ever recorded for the region—pushed the 22-year drought past the previous record-holder for megadroughts in the late 1500.