GreenerBuilding.Org: This site is fantastic. Once you identify a product, you can enter your zip code to find a local retailer. "We're a non-profit website whose sole mission is to encourage the building of better buildings. Throughout the site, you'll find building products, local dealers, and helpful programs near you. But Greenerbuilding.org really begins with you — it's a place for you to share your personal expertise about products with the sustainable building community. We hope you like the site and will contribute information about products and technologies as well as your personal wisdom about building in your area."

Green Zone: A blog and question/answer forum for green building and materials, sponsored by Interior Design magazine.

My House is your house: Follow their Green Building link (requires Flash plugin) for several resources on green building supplies and design companies. You can also learn more about Blue Vinyl, their movie that prompted a movement to stop production of pvc vinyl.

The Arizona Chapter of the U.S. Green Building Council focuses on green building techniques, technologies and philosophies appropriate to the arid bio-region that encompasses the southwestern United States and northern Mexico.