Water conservation is a focal point of sustainable building today. In this segment, Michael Anschel and Carl Seville check out a new system for collecting rainwater invented by 15-year-old Steven McDowell.

About the series:

Michael Anschel, CEO of Verified Green, and Carl Seville, principal at SK Collaborative, are the Green Police. In this series they scour the exhibit floor at the 2014 Greenbuild International Conference and Expo on the hunt for products you can truly call "green." Watch the duo’s antics while hearing their assessments of noteworthy products.