The U.S. is sitting on a rare earths goldmine — not buried underground, but suspended in toxic wastewater. A long-polluted site in Butte, Montana, could soon become a strategic national asset as the ...

The Berkeley Pit in Butte, Montana, has been a source of environmental concern for decades, as its waters—highly acidic and teeming with toxins—have seeped into the surrounding area. But today, this ...

Butte, Mont. • There’s a tale told about a miner who found copper cans in his garbage dump in the early days of mining. Wastewater from copper mining had flowed through his land, he said, and turned ...

Shortly after an estimated 4,000 snow geese died from exposure to poisonous metal-laden water in the Berkeley Pit the liable companies, Montana Resources and Atlantic Richfield, reported they would be ...

Atlantic Richfield has proposed to the Environmental Protection Agency, and to MR, to build a second water treatment plant right off Shields Avenue that would have greater capacity and draw down the ...