US west ‘megadrought’ is worst in at least 1,200 years, new study says
Human-caused climate change significant driver of destructive conditions as even drier decades lie ahead, researchers say. Houseboats are moored on Lake Oroville reservoir during the California drought emergency in Oroville, California, on 2021 May 25. Photograph: Patrick T Fallon/AFP/Getty Images – By Gabrielle …