| usgbc.org | US Green Building Council |
| ncat.org | Center of Excellence for Sustainable Development |
| naseo.org | National Association of State Energy Officials |
| eeeee.net | Five E's Unlimited |
| ceroi.net | Cities Environment Reports on the Internet |
| allegheny.edu | Center for Economic and Environmental Development |
| epa.gov | U.S. EPA Community-Based Environmental Protection |
| usmayors.org | Joint Center for Sustainable Communities |
| sustainable.org | Sustainable Communities Network -- ! |
| org.np | International Centre for Integrated Mountain Development (ICIMOD) |
United States , California , San Mateo