Stalled plans to turn a remote corner of California into a critical minerals and clean energy mecca have been dealt another setback. A state appeals court ruled this week that Imperial County’s approval of the Hell’s Kitchen lithium and geothermal energy project failed to show it has enough water supply from the dwindling Colorado River to sustain its operation, or to address the potential air quality impacts of diverting more water from the polluted Salton Sea, which has been shrinking for years.