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Canada's oil sands sector aims to release treated tailings water into river

Canada's oil sands sector aims to release treated tailings water into river

Canada's oil sands mining industry on Thursday outlined proposals to release treated water from tailings ponds into northern Alberta's Athabasca River, a move environmental groups say risks damaging one of the world's largest freshwater deltas. Unlike other extractive industries in Canada, oil sands firms are not allowed to release treated tailings water.