
The bubbling sulfur springs and powerful, majestic geysers of Yellowstone National Park are visible manifestations of the potential for geothermal energy in the United States. Yet for various reasons — including logistics, economics, and permitting issues — geothermal has not come close to reaching its potential. That could be changing, though, with Donald Trump’s surprising embrace of the deep-seated renewable energy source. In declaring an energy emergency on Monday, January 20, inauguration day for the 47th president, Trump’s…