Scientists and NGOs are asking Ottawa to ban the activity, as the country hosts an international marine conservation summit that kicks off on Friday in Vancouver.
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.
A unit of Australian billionaire Gina Rinehart’s Hancock Prospecting has applied to the Federal Court for a judicial review of the rejection of the proposed $800 million Grassy Mountain steelmaking coal mine.