Environmental advocates argue that the risks posed by the project's tailings dams could have dire consequences for the Great ...

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 ...

The catastrophic failure at the Sino Metals’ tailings dam in Chambishi, Zambia, on 18 February 2025 is a major setback to global efforts to prevent such disasters and an ominous sign in a world ...

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 ...