Irrigated Lawns (IMAGE) U.S. National Science Foundation Caption The scientists found that 70 percent of Los Angeles' evapotranspiration comes from irrigated lawns. Credit Diane Pataki Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.