You might want to look into your local chapter of the United States Green Building Council. www.usgbc.org
You might also want to look into LEED for Homes. This program makes attempts to nationalize the green residential movement into one cohesive standard.
http://www.usgbc.org/DisplayPage.as...ageID=1554 That site will lead you to a listing of the current LEED for Homes providers which will get you started if that is the path you wish to take.