WENDEN, Ariz. (AP) A blanket of bright green alfalfa spreads across western Arizona’s McMullen Valley, ringed by rolling mountains and warmed by the hot desert sun. Matthew Hancock’s family has used groundwater to grow forage crops here for more than six decades. They’re long accustomed to caprices of Mother Nature that can spoil an […]
Concerns about the Earth’s groundwater supplies are front of mind in the lead-up to COP28, the annual United Nations climate summit opening this week in the Emirati city of Dubai.