Buildings continue to be the largest consumers of energy, by sector, in the U.S. The USGBC is constantly looking for new and innovative ways to address this.  

 A three-ring binder dated April 1999 and filled with about 200 photocopied pages was the reference guide for LEED v1.0—the pilot version of LEED sent to USGBC members from its headquarters, which was then located in San Francisco.