08.08.13
The U.S. Green Building Council (USGBC) announced that 86 percent of its voting membership voted to approve the fourth version of the Leadership in Energy and Environmental Design rating system, or LEED v4. The LEED v4 rating system will be launched at USGBC’s Greenbuild conference in Philadelphia, PA, Nov. 20–22, 2013. Projects will be able to register for LEED v4 certification soon thereafter.