Dive summary:

• The Army, heeding Pentagon orders to try to cut energy use and think sustainably, went with a plant-covered roof when the Corps of Engineers designed a vehicle-readying facility at Fort Bragg in North Carolina.
• Inside, the $10 million Installation Transportation Deployment Support Area (ITDSA) is about prepping vehicles for rapid deployment, but the outside is about a roof covered with succulent and low-maintenance vegetation to cool the structure more cheaply than just air conditioning.
• The Army didn't stop with the roof, building in permeable asphalt parking, skylights, radiant-floor heating and fan-cooled outdoor work areas.

From the release:

Fort Bragg is home to the military’s rapid-deployment airborne division, one-of-a-kind Special Operations units ... and now a garden on a roof. ...