The finding is a setback for Alberta Premier Jason Kenney's United Conservative Party government.

Canadian thermal coal will be replaced by dirtier product from elsewhere, says Coal Association.

The cloud was spotted about 125 kilometers east of Johannesburg in an area where Sasol Ltd. has several coal mines.

An Australian inquiry into a blast that seriously injured five workers found that the miner repeatedly produced more methane gas than it could remove and had exposed workers to excessive risk.

The government wants to raise the contribution of mining to Tanzania’s gross domestic product to 10% by 2025 from the current 6.7%.

The coal sector must improve mechanisms to store supply and speed up construction of reserve capacity, an official says.

Expansion at Thungela’s could mean the spinoff generates more greenhouse gases than had the mines been gradually run down by Anglo.