In central Idaho, the Triumph Mine produced silver, lead, and zinc from the late 1800s into the 1950s. But since shuttering operations decades ago, the mine has been an environmental hazard, with ...

Add Yahoo as a preferred source to see more of our stories on Google. The closed Questa Molybdenum Mine site. An undated photo from 2023 taken at the closed Questa Molybdenum Mine site in New Mexico.

For more than a century, abandoned mines such as the Triumph Mine in central Idaho have scarred the American West, leaking toxic heavy metals into waterways and threatening communities and ecosystems.

New Mexico's Environment Department plans to finish cleaning up at least one abandoned uranium mine by next summer, and has begun site evaluations at 15 uranium mine and mill sites in the northwest ...

NAVAJO NATION, AZ (3TV/CBS 5) — There are an estimated 140,000 abandoned hard rock mines in the country, including more than 500 uranium mines across the Navajo Nation. If they aren’t cleaned up, they ...

In 1999, U.S. Sen. Max Baucus of Montana took to the floor of the Senate to introduce a bill intended to help clean up abandoned and inactive hardrock mines across the western U.S. “The settlement of ...

Across America, largely hidden from view, tens of thousands of abandoned mines release a poisonous brew into our waterways, turning rivers orange with sulfuric acid and toxic, heavy metals such as ...

Cumberland is testing whether its abandoned coal mines can become a town-wide geothermal network that supports redevelopment, economic growth, and lower emissions.

For over 25 years, advocacy groups and bipartisan lawmakers from across the West have tried to address an intricacy of federal environmental law that has scared off would-be do-gooders from stepping ...

A push is underway to clean up two abandoned mercury mines that stand in the way of someday extending the Oat Hill Mine Trail farther into remote, northern Napa County. The Napa County Regional Park ...