In February 2025, a waste pit at a copper mine operated by Sino-Metals Leach Zambia collapsed, releasing millions of gallons of highly acidic toxic sludge laced with heavy metals into nearby rivers ...

Concentrated arsenic waste generated by groundwater treatment plants can now be easily transformed into metallic arsenic. This new method offers the opportunity to create local, circular production of ...

The Times dug into the widespread use of sewage sludge as fertilizer, which is sometimes heavily contaminated by “forever chemicals.” By Hiroko Tabuchi For decades, the government has encouraged ...

Chemicals found in sewage sludge that some farmers use to fertilize fields and pastures can pose a threat to human and animal health, the US Environmental Protection Agency said Tuesday. Exposure to ...

Fertilizer containing potentially unsafe levels of “forever chemicals” has been used around the country. By Hiroko Tabuchi For the past year, I’ve been reporting on how “forever chemicals,” a group of ...

Sludge, a byproduct of sewage treatment, is often spread on fields as fertilizer. But growing research shows that toxic chemicals like PFAS are lurking in the muck — and getting into our food. Sludge, ...

American cooperation on rare earths, it overlooks the history of rare earth projects here — and why we let the Chinese have ...