Coal mines are notorious sources of acid mine drainage, but the orange sludge that threatens water supplies and wildlife also ...

Treating acid mine drainage and extracting its valuable rare earth elements offers a way to transform pollution into ...

Dec. 28—WILKES-BARRE — After passing both houses of Congress, the Safeguarding Treatment for the Restoration of Ecosystems from Abandoned Mines (STREAM) Act now heads to President Joe Biden's desk.

An abandoned Shasta County mine that produces toxic pollution at about 1,200 times the allowable standard has been named a U.S. Environmental Protection Agency Superfund cleanup site. The Afterthought ...

The remediation of acid mine drainage (AMD) remains a global environmental priority due to the high concentrations of sulphate and toxic heavy metals present in these effluents. A promising strategy ...

Cleaning the acid mine drainage in Murrysville’s Lyons Run is a personal endeavor for Matt Curry, president of Blairsville construction contractor Curry & Kepple. “I grew up on School Road South. I ...

One of the most vexing issues facing the Northland has been the issue of sulfate produced by past iron mining and proposed copper-nickel mines. Rivers of ink have been spilled over concerns about acid ...

MILLFIELD, Ohio — At the back of a once-residential lot on a county road in Athens County, tucked behind the brush, enviromentalists say a toxic problem has been spilling out of the ground for decades ...

Across coal country, the same toxic sludge and rust-colored water that once symbolized the end of an industry is starting to ...