District of Columbia Public Library, Tenley-Friendship Neighborhood Library

Green Facilities: The LEED Gold–certified Tenley-Friendship Neighborhood Library offers extensive daylighting with sunscreens to filter direct sunlight, as well as occupancy sensors to control artificial-light levels. The building has a vegetative green roof, energy-efficient heating and cooling systems, low-flow faucets, and dual-flush toilets.

New Construction
Architect: The Freelon Group
Size: 22,000 sq. ft.
Cost: $13.5 million
Photo: Mark Herboth Photography