Green building design requires a reexamination of the entire design, construction and operation of a building in order to optimize each step of its life cycle. This evaluation demands an integrated team process where the client, architect, engineers, constructors, and building operators work in concert so that each decision is made with the whole building considered as a system. The results of these efforts are not only a sustainable building whose efficiency extends beyond its design into its operation, but also a better coordinated design process which fosters a collaborative construction process.