coal mine

Proposal to expand Alberta coal mine faces pushback after string of wastewater releases

Proposal to expand Alberta coal mine faces pushback after string of wastewater releases

An environmental group says a coal company's application to deepen its open-pit mine shouldn't be considered while it's under investigation over wastewater releases into local rivers. The Alberta Wilderness Association says CST Canada Coal in Grande Cache, Alta., must prove it can operate safely before the provincial regulator looks at its request.