Canada's federal environment ministry on Thursday opened a formal investigation into a months-long tailings leak at Imperial Oil'sKearl oil sands mine in northern Alberta, signaling a potential prosecution. Environment Canada is investigating a suspected contravention of the Fisheries Act, which prohibits the "deposit of a deleterioussubstance into water frequented by fi sh," or any place where such substances could enter fi sh-bearing water.
展开▼
