With California and Texas both experiencing serious droughts over the past several years, water conservation was a hard issue to ignore at the 2015 Solar Decathlon. We visited with team Texas/Germany and the University of California, Davis to hear about their use of rainwater and graywater systems. 

To see the full results from the competition visit solardecathlon.gov. Check out more coverage on the 2015 Solar Decathlon projects from BUILDER and ARCHITECT