A nonprofit organization that provides information on the environmental impact of buildings and building products using life cycle analysis. This site provides information on the organization, resources, research...

Information designed to help building industry professionals and policy makers to improve environmental performance and reduce the adverse impacts of buildings. Offers print and electronic resources to help industry...

CAT is an environmental nonprofit that promotes sustainable living. Its key areas of work are renewable energy, environmental building, energy efficiency, organic growing and alternative sewage systems. The group...

This web site lists cohousing communities in the United States and abroad with links to their web sites. It also lists products, such as books and videos; services, including professional consulting; and other resources...

This web-based computer simulation allows the participant to calculate energy savings in various types of virtual residential dwellings by making changes in the appliances, light bulbs, insulation, energy sources, etc....