In the United States lawns cover more surface area—fifty thousand square miles—than any single farm crop. Grass on domestic lawns wants to do what wild grasses do in nature—namely, grow to a height of about two feet, flower, turn brown, and die. To keep it short and green and continuously growing means manipulating it fairly brutally and pouring a lot of stuff onto it. In the western United States about 60 percent of all the water that comes out of taps for all purposes is sprinkled on lawns. Worse still are the amounts of herbicides and pesticides—seventy million pounds of them a year—that
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