The Good Samaritan bill to clean up mine pollution is supported by Nevada Gov. Joe Lombardo.

Biden signs bill that could clean up old Nevada mines FILE — An abandoned mine shaft in Gold Butte National Monument, shown Monday, Oct. 8, 2018, was recently closed by a team of state contractors.

In Pennsylvania, there are at least "5,000 abandoned underground mines." Many more states, including others in Appalachia, plus Nevada and California, are also dotted with them.

Environmental Law New Law Finally Allows Conservationists To Clean Up Abandoned Mines For decades, federal rules punished good Samaritans who tried to tackle toxic mine pollution.

Reasons to be Cheerful explains how "gravity batteries" are giving former mines a second life—while offering an economic and environmental boost to communities once reliant on coal.

Dozens of people get injured or die in the U.S. every year because they don’t follow this simple advice: Stay out of abandoned and active mines and surrounding lands. Abandoned mines are not ...

Good Samaritan Remediation of Abandoned Hardrock Mines Act creates pilot program for volunteers to address water pollution.

Turning abandoned open-pit mines into solar farms could resolve growing land-use tensions and unlock vast, underused infrastructure for renewable energy deployment.

Old mines pose myriad dangers, with 381 people killed and 152 injured at abandoned mine sites nationwide between 2000 and 2013, according to the U.S. Bureau of Land Management.