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.

A First Nation in B.C. has filed a legal challenge over the plan to allow the Mount Polley mine to raise its tailings dam a decade after a similar storage site at the mine gave way, creating one ...

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 ...

Rescue crew work in a tailings dam owned by Brazilian miner Vale SA that burst, in Brumadinho, Brazil January 25, 2019. REUTERS/Washington Alves TPX IMAGES OF THE DAY – RC1B661368C0 ...

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 ...

2:11 Mt. Polley mine reopens after tailings pond spill The British Columbia government is allowing the height of the Mount Polley tailings dam to be raised an extra four metres, a decade after a ...

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 CANADIAN PRESS/Jonathan Hayward VANCOUVER — A British Columbia First Nation has filed a legal challenge over the plan to allow the Mount Polley mine to raise its tailings dam a decade after ...

VICTORIA - The British Columbia government is allowing the height of the Mount Polley tailings dam to be raised an extra four metres, a decade after a similar storage site burst in one of the ...