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• The biggest one is the water resources. To produce one barrel of oil takes 2-4 barrels of water, 750 cu feet of natural gas, and you’ll end up with 4 tonnes of tarry sludge that has to be put somewhere else. Water is used mostly with natural gas to …

  in How do oil sands positively affect natural resources in Canada? Comment by julie-robinson_60bcfb99d8ebe June 2021