Providing an online searchable database of environmentally-friendly building materials and systems which will include, but not be limited to, elements that optimize energy and natural resources, use significant amounts of recycled content, can be recycled at the end of their life cycle, are fabricated from renewable materials that are produced locally, and limit the impact on the environment, air quality, or water quality in their manufacture or use; The database will allow the user to compare the costs of these elements with building materials and systems that do not have these environmentally-friendly qualities