How the Trump border wall sapped a desert oasis dry

A newly built section of the US-Mexico border wall lines the entire southern edge of Organ Pipe Cactus National Monument in Arizona, where a crucial spring system was drawn up for construction. (Jerry Glaser/U.S. Customs and Border Patrol/) Amidst the towering saguaro and pronged organ pipe cacti of southern Arizona’s Sonoran Desert, a 30-foot-tall fence […]