Colorado Sens. John Hickenlooper and Michael Bennet are original co-sponsors of the Senate bill, while Colorado Reps.

While there are obvious safety risks associated with these old mines, experts are also sounding the alarm on environmental ...

The legislation creates a pilot program under the Environmental Protection Agency that allows nonprofits, governments or ...

For over 25 years, advocacy groups and bipartisan lawmakers from across the West have tried to address an intricacy of ...

Conservation groups are cheering the passage of new federal legislation that aims to help local officials and environmental ...

Swaths of Pennsylvania and many other states are honeycombed with old, unstable mines that can cause the earth to suddenly ...

Swaths of Pennsylvania and many other states are honeycombed with old, unstable mines that can cause the earth to suddenly ...

A bill to make cleaning up abandoned hard rock mines easier is expected to become law after the House of Representatives ...

There are as many as 500,000 abandoned mines nationwide — far ... said Professor Paul Santi from the Colorado School of Mines Geology Department. "If it's dropping say, half an inch a year ...