This piece was originally published in High Country News and appears here as part of our Climate Desk collaboration. Centuries-old sycamore trees tower over the dry riverbed of Harshaw Creek, in the Patagonia Mountains of southern Arizona. Where houses once stood, flat, barren earth stretches to the base of nearby low, oak-covered hills. A crumbling wooden building, relic of a mining supervisor’s home, and a cemetery are all that remain of what once was one of the West’s richest mining towns. Now a ghost town, Harshaw was one of nine…
