The American Society of Plumbing Engineers (ASPE) announced that ARCSA/ASPE/ANSI 63-2013: Rainwater Catchment Systems was approved as an American National Standard by the American National Standards Institute (ANSI) on Nov. 14, 2013.
The U.S. Green Building Council (USGBC) announces that LEED v4, the newest version of the LEED green building program, launched at the annual Greenbuild International Conference and Expo in Philadelphia. LEED v4 builds on the fundamentals of previous versions while offering a new system that prepares all LEED projects in a portfolio to perform at a higher level.
The design of green roofs—and all of their stormwater filtering, energy efficiency enabling, heat island mitigating, and habitat providing features—is poised to improve following a two-year research partnership between Portland State University and Walmart that will collect in-depth data on the largest green roof installation in Portland.
De Young Properties, a leading energy-efficient homebuilder in the Central Valley, in collaboration with Pacific Gas and Electric Company (PG&E), held a Ribbon Cutting Ceremony on Friday, November 15 to introduce a Zero Net Energy (ZNE) home. The ZNE home is designed to produce as much energy as it consumes each year, which also zeros its energy-related carbon impact on the environment.