Co-op America	Information on sustainable products, company ratings + responsible investing.
Real Goods	A good resource for alternative energy products, good catalog too.
The Green Guide	Provides news, information and educational material to consumers.
Energy Star	Energy Star products must meet strict EPA or DOE energy efficiency criteria.
WoodWise Consumer Guide	By Co-op America, information on forest-friendly living.
Responsible Shopper	Investigate hundreds of companies on a range of issues.
Building Green	Provide the respected GreenSpec Directory of environmentally preferable building products.