Energy Production Depends on Water

Energy production depends on water. Which technologies are the most water-efficient, and which are the least? Power plants require water to scrub pollutants, cool machinery, produce the steam necessary to turn huge turbines and generators, and more. Even some alternative energy sources, such as ethanol and hydrogen, require large volumes of water. Originally published as "The Intertwined Tale of Energy and Water" August/September 2008 MOTHER EARTH NEWS.

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