A list of address locations of green roofs was compiled by nonprofit organization, Green|Spaces, which provides green building consulting. Addresses were geocoded using 10.0 US Streets Geocode Service and checked for accuracy by staff at UTChattanooga ARCS and City of Chattanooga Office of Sustainability as part of a Chattanooga Green Map project in September 2011. The Chattanooga Green Map is an on-going educational product intended to inform the public on the growing number environmental and sustainability-related programs and amenities in and around Chattanooga, TN.A green roof consists of vegetation and soil, or a growing medium, planted over a waterproofing membrane. Additional layers, such as a root barrier and drainage and irrigation systems may also be included.