In the Colorado backcountry, the most dangerous hazards are the ones that don't look like hazards at all. The recent death of ...

Congress has passed a bill that could make it easier for non-profits or states and local governments to clean up abandoned mines. The U.S. House on Tuesday approved the Good Samaritan Remediation of ...

A 54-year-old hiker’s fatal fall into an abandoned mine shaft near Ouray last month highlights a broader danger left behind ...

DENVER — A new law decades in the making could finally lead to the cleanup of some of the thousands of abandoned mines in Colorado that leak toxic metals and acid into the headwaters of the rivers ...

Conservation groups are cheering the passage of new federal legislation that aims to help local officials and environmental groups remediate abandoned mines that threaten the country’s watersheds. The ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Illustration by Julia Wytrazek / Getty Images There are about 500,000 abandoned mines in ...

Swaths of Pennsylvania and many other states are honeycombed with old, unstable mines that can cause the earth to suddenly give way and threaten people and property. That's what searchers in ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Swaths of Pennsylvania and many other states ...