- Douglas, James, 1803-18771
- Drelich, Hal1
- Dumbarton Road Corridor Environment Trust (Organization)1
- Duvivier Architects1
- Earth First! (Organization)1
- East River Apprenticeshop1
- Faith Leaders for Environmental Justice1
- Falcon, Keith1
- Fernwood Neighbourhood Resource Group1
- Fleming, Sandford, 1827-19151
- Fonseca, Christine1
- Garzon, Jose1
- Gore, T.S.1
- Goskirk, Robert1
- Gowlland, John Thomas Ewing1
- Great Britain1
- Great Britain. Army. Royal Engineers. Field Survey Battalion.1
- Great Britain. Ordnance Survey1
- Green Map Indonesia1
- Green Mapper Jogja1