translation.en: The tar sands consume more water than any other oil process, three to five barrels of water are taken, polluted and then returned into tailings ponds, the largest toxic impoundments on the planet.
translation.zh: 沥青砂的生产过程比其他油类消耗更多水 生产一桶原油 需使用三至五桶水，受污染的水 进入残渣池 成为世上最大的毒性蓄水池