PATAGONIA, Arizona—Deep in the Patagonia Mountains, puffs of cool air from a cavernous natural spring interrupt the desert heat. The water bubbles up from an underground aquifer and trickles into Alum Gulch, orange from minerals such as magnesium and calcium, left over from mining in the area. Bob Proctor, a local resident, and Kerry Schwartz, … Continue reading The Renewable Energy Transition Has Residents of a Small Arizona Town on Edge