Demand for rare elements used in clean energy could help clean up abandoned coal mines in Appalachia
Dave Hoffman of West Virginia University's Water Research Institute holds up a vial of light rare earth oxides at a facility that separates them from acidic groundwater draining from an abandoned coal ...
Until the passage of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) in 1980, miners across the American West extracted gold, silver, and other valuable “hardrock” ...
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