If you want some information about it, then here are some websites...
Eco-housing info. (This has some information about Eco houses)
Ecobob. (Making Eco living easy)
Sustainable way of living. (This shows you how to live in a sustainable way)
Best green home tips. (This is a good site, which has tips on how to make your house green)
EcoValue. (This has a whole page of info and prices of Eco friendly products)
I hope this will be Helpful, it was for me!
miss south africa