In today’s changing environment, an increasing number of construction and development projects incorporate “green building,” or environmentally sustainable practices and materials to promote energy efficiency and decrease the carbon footprints of commercial and residential buildings. The United States Green Building Council has developed the Leadership in Energy and Environmental Design (LEED) Green Building Rating System, a voluntary, consensus-based national rating system for developing high-performance, sustainable buildings. Many states and municipalities provide tax or other incentives for green building and are increasingly adopting green building requirements by using the LEED rating system or other assessment frameworks.