The U.S. Green Building Council (USGBC) is a non-profit organization committed to a sustainable, prosperous future through LEED, the leading program for green buildings and communities worldwide. USGBC works toward its mission of market transformation through its LEED green building program, robust educational offerings, a nationwide network of chapters and affiliates, the annual Greenbuild International Conference & Expo, and advocacy in support of public policy that encourages and enables green buildings and communities.