WASHINGTON, D.C. -- A green roof with a labyrinth as its centerpiece has opened atop an eight-story office building owned by the American Psychological Association and shared with the World Resources Institute.
The LEED for Neighborhood Development Rating System integrates the principles of smart growth, urbanism, and green building into the first national standard for neighborhood design. LEED certification provides independent, third-party verification that a development's location and design meet accepted high standards for environmentally responsible, sustainable, development.