Water -- Contagious Conservation (IMAGE) DOE/Oak Ridge National Laboratory Caption Researchers analyzed 15 years of data across 16 neighborhoods, shown in orange, in the Las Vegas Valley Water District to determine whether one home's participation in the utility's water conservation program had a measurable effect on their neighbors' likelihood of also participating. Credit Oak Ridge National Laboratory, US Dept. of Energy 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.