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As an example, the Alberta athabasca oils sands are draining entire glacial lakes to create superheated steam to help remove bitumen from the sand (an incredibly water and energy-intensive process), and as oil prices climb, the oils sands in canada become more cost effective and competitive in world markets, and the more demand there is for Canadian oil, the more freshwater is consumed in producing it, further straining western
oh, and he did mention the athabasca oil sands and the “trillions of barrels of oil” in the rockies. but any energy source that takes more energy to extract than it would yield is, imho, impractical at best.