Financial incentives, regulations and fines have encouraged a shift toward drought-tolerant landscaping in some cities in the Southwest that are grappling with dwindling water supplies, according to this article. Cities such as Los Angeles, Las Vegas and Mesa, Ariz., have offered rebate programs to residents for removing their lawns and replacing them with drought-tolerant plants. The trend has led Scotts Miracle-Gro to work on developing varieties of grass that needs less water but is still soft and durable against foot traffic.

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