It takes some form of generated power to purify, store, transport and recover water. That generation requires the utilization of many forms of earth resources including coal, oil and all its by-products and natural gas. Spending those resources to dump drinking water on grass is totally eliminated by .

Additionally, it requires various petroleum products to run and maintain the many machines and hand power tools that are traditionally demanded in the maintenance of a lawn. The demand for petroleum products used in conjunction with equipment and tools is virtually eliminated by an installation.