"Liquidation plays to the benefit of all the competitors in the region," United Mine Workers of America president said.

Global coal demand is estimated to fall by 8%.

Tribeca Investment Partners said changes would improve Teck’s environmental credentials.

A glimmer of hope that consumption could gradually return as major producers continue to cut output to counter a global glut.

Which imported minerals create the most risk for US supply chains and national security?

The creation of the war room - or Canadian Energy Centre - was a $30 million, 2019 election promise by Premier Jason Kenney.

In the US, coal’s share of power generation has dropped more than 5 percentage points since February.