WCSR is a member of the U.S. Green Building Council (USGBC), the nation's foremost coalition of leaders from every sector of the building industry working to promote buildings that are environmentally responsible, profitable and healthy places to live and work. USGBC has more than 7,500 member organizations, and is the creator and sponsor of the LEED® (Leadership in Energy and Environmental Design) Green Building Rating System™. LEED is a voluntary, consensus-based national standard for developing high-performance, sustainable buildings. Read more here: http://www.wcsr.com/events/dc-office-hosts-us-green-building-chapter