The proposed changes include much heftier fines for damage to Aboriginal heritage and a focus on agreement-making between developers and traditional owners.
BHP's exit from petroleum, which made up just 5% of its annual earnings, speeds up its exit from fossil fuels amid pressure from environmentally conscious investors.
In the March 2020 incident water containing molybdenum ore flowed out of a tailings pond belonging to Yichun Luming Mining Co and into a local river system.