- Energy Star Homes : National, voluntary program sponsored and developed by the U.S. Environmental Protection Agency (EPA).
- Enertia Homes : Hybrid solar architecture.
- EPA : Agency to protect human health and the environment.
- Florida Solar Energy Center: Does research on energy conservation, daylighting.
- Green Energy: The “Green Energy” section of Businessweek – created to “foster educational collaboration, awareness and the exchange of free information” about green energy.
- Green Towers : Greening New York’s Skyscrapers.
Last updated: February 20, 2010