| Building Green | website devoted to green building |
| Cellulose Insulation Manufacturers Association | website by Cellulose Insulation Manufacturers Association with good overall reasons for cellulose |
| Energy.gov | Department of energy main page, go to efficiency for good source to saving money on home heating bill |
| Energy.gov - Efficiency | |
| Fine Homebuilding | good source for homebuilding information |
| Smartgrowth | development, quality of life, and environmental issues referring to community planning |
| Sun-Inspired Home Plans |