First Nation sues Alberta Energy Regulator over tailings leaks from oilsands mine

A First Nation in northern Alberta has filed a lawsuit against the Alberta Energy Regulator (AER) alleging negligence and a failure to live up to Treaty obligations in the wake of multiple tailings leaks at Imperial Oil's Kearl facility.In a news release issued Tuesday, the Athabasca Chipewyan First Nation (ACFN) said the lawsuit, filed in the Alberta Court of Kings Bench, is based on two major leaks from the oilsands mine's tailings ponds, which took place between May 2022 and February 2023.The