This document discusses xeriscaping, or drought-tolerant landscaping, as a way to reduce water usage by 50% or more. It recommends replacing grassy areas with native plants, trees and shrubs that require less water. Key elements of xeriscaping include using mulch to retain soil moisture, installing efficient drip irrigation, and choosing plants suited to the landscape's sun and moisture levels. Xeriscaping not only saves water but reduces maintenance needs and costs over time.