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Using the West’s water to extract the West’s energy: How much is too much?

New West: Consider this: It takes 60 liters of water to keep a single, 60-watt light bulb lit for 12 hours. Water and energy have been inexorably linked in human history at least back to ancient Babylonia, where windmills helped power irrigation as early as 1700 BC. Since then, that relationship has become one of the great axioms of the industrial age -- that is, it takes great volumes of water to extract and convert energy resources, and often great energy resources to move and treat water. And in a...