GSA, which currently maintains nearly 2 million square feet of green roofs, has a long history of constructing and maintaining successful green roofs, dating back to the 1930’s. Information about green roofs at GSA can be found on the agency’s Green Roof Tracker. This roofing type is common among many contemporary homes primarily because it offers more interior space than the more popular gable and hip roofs, all while maintaining a simple, sophisticated appearance. A lot of these cherished and…