A 50-million-litre acid spill from a Chinese-owned copper mine in Zambia is now threatening to kill ties with Beijing, experts say A massive acid spill from a Chinese-owned copper mine in Zambia, ...

And in December 2024, 15 federal Fisheries Act charges were laid against the mine's parent company, Imperial Metals Corp., and two other firms over the collapse of the tailings pond dam ...

The B.C. government has issued a consent order to Mount Polley Mining Corp. to raise a tailings pond dam by four metres at the site of one of the largest environmental disasters in provincial history.

The B.C. government has issued a consent order to Mount Polley Mining Corp. to raise a tailings pond dam by four metres at the site of one of the largest environmental disasters in provincial history.

VICTORIA - The British Columbia government is allowing the height of the Mount Polley tailings dam to be raised an extra ... A statement from the Mining and Environment ministers says the extra ...

The initial assessment also included alleged breaches against the company for releasing toxic water from a tailings dam 14 times in June 2022. Mine tailings are drowned in water to keep them from ...

In their report, the inspectors found that Nickel Plate tailings had average cobalt levels that were 1,155% above regulatory limits, and at one point, surged to 7,011% above the mine’s permit limit.

The spill happened on Feb. 18 when a tailings dam that holds acidic waste from a copper mine in the north of the country collapsed, according to investigators from the Engineering Institution of ...

Barrick has been trying to find ways to reduce the amount of cobalt in the mine tailings for years, but has been hindered by a lack of a scientific solution to the problem. That’s because the ...