Another dam, also used to store the muddy mining detritus known as tailings and co-owned by Vale and BHP Group, had collapsed in 2015, killing 19 people and wreaking massive environmental damage.

Mining giant Vale failed to report problems at a massive tailings dam in Brazil that could have averted its collapse, killing hundreds, a government agency said on Tuesday. The Jan 25 dam breach ...

Six months after being deluged by a tide of toxic red sludge, towns downstream of the failed alumina tailings dam near Ajka, Hungary remain ruined and largely deserted, with residents and former ...

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.

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 ...