LEED v4 Nearing Completion

The fifth and final public comment session for the new Leadership in Energy and Environmental Design (LEED) standard that will replace the current LEED 2009 (aka LEED v3) standard ended earlier this month. LEED v4 is intended to address one of the major criticisms of LEED v3, which is that it is a design tool that lacks technical rigor to serve as a performance measurement tool. LEED v4 responds to this criticism with credit categories focusing on integrated design and life cycle analysis of materials and an increased emphasis on measurement and performance, including enhanced building commissioning. 

LEED is a leading standard for certifying "green" (sustainable) built environments (from home to single buildings to neighborhoods) and is developed and promoted by the U.S. Green Building Council (USGCB). LEED is a credit or point based rating system that gives building owners and operators the tools to assess green building design, construction, operations