The country’s only fully operational lithium mine had an air pollution problem, Nevada regulators found. State officials intervened and held a so-called “enforcement conference” on March 25 ...

Campaigns and advocacy director for the Montana Environmental Information Center, recounting the jarring view of ...

Wild fig trees may provide an inexpensive, effective way to monitor mercury pollution near artisanal and small-scale gold mining sites throughout the Global South, a recent study suggests.

WASHINGTON— Conservation and community groups today sued the Environmental Protection Agency over its delay in responding to objections filed over an Arizona air pollution permit for a new heavy ...

TUCSON, Ariz.— Environmental and community groups have appealed the Arizona Department of Environmental Quality’s decision to grant an air pollution permit to the Copper World mine, the final permit ...