National Public Radio: California’s utilities are in a tight spot. They’re mandated to procure 20 percent of their electricity from renewable resources by the end of next year. Currently, renewable energy provides only 12 percent of the state’s needs. Green energy is needed, and fast. Where to get it? The southeastern corner of California is becoming the state’s Wild West of renewable energy. Five years from now this patch of desert will hold one of the largest solar thermal plants in the world. An …