Sentences with phrase «filled tailings ponds»
«Your oil is really dirty», they say, flashing National Geographic photographs of birds and bitumen - filled tailings ponds.
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It has been used extensively to help mining companies figure out how sediment from tailings will fill up their storage ponds.
Oil - sands production emits roughly three times the carbon dioxide of conventional light - oil production and the strip - mining operations involved destroy the landscape in northern Alberta, creating large tailings ponds filled with toxic wastewater.