There are many municipalities in Ontario who have already implemented Green Development Standards, or are in the process of doing so,
- Federation of Canadian Municipalities
- Ajax
- Brampton
- Guelph
- City of Halton Hills
- Hamilton
- Mississauga
- Municipality of Clarington
- Ottawa
- Reel Region
- Pickering
- Richmond Hill
- Toronto
- Vaughan
- Whitby