Miners aim to meet a growing demand for emissions-free energy, though a failure to clean up old sites haunts the industry. Uranium, Mines and Mining, Radiation, Nuclear Energy, Electric Light and Power, Global Warming, Regulation and Deregulation of Industry, Native Americans, Hazardous and Toxic Substances, Wells, Pollution, Water Pollution, Energy Fuels Inc, Ur-Energy Incorporated, Arizona, Wyoming Miners aim to meet a growing demand for emissions-free energy, though a failure to clean up old sites haunts the industry. NYT > Business