Sept., 2017. Last month, Washington, D.C. became the first city in the world to receive a LEED for Cities Platinum leadership certification, the highest award bestowed upon cities by the U.S. Green Building Council (USGBC). D.C. has 120 LEED-certified projects, with 29.04 square feet of LEED space per resident, far ahead of the top … Continue reading Insight: Why Is D.C. Tops In LEED?