The largest uranium producer in the United States is ramping up work just south of Grand Canyon National Park on a long-contested project that largely has sat dormant since the 1980s. The Biden administration and dozens of other countries have pledged to triple the capacity of nuclear power worldwide in their battle against climate change. But as the U.S. pursues its nuclear power potential, environmentalists and Native American leaders remain fearful of the consequences for communities near mining and milling sites in the