Water 4. 0 : The Past, Present, and Future of the World's Most Vital Resource by David Sedlak (2015, Trade Paperback)
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The author starts by describing Water 1.0, the early Roman aqueducts, fountains, and sewers that made dense urban living feasible. Turn on the faucet, and water pours out. Pull out the drain plug, and the dirty water disappears.