Alpine Club of Canada (Toronto Section)

Blue Mountain Watershed Trust Foundation

Bruce Peninsula Bird Observatory

Bruce Peninsula Environment Group

Bruce Trail Conservancy

Caledon Countryside Alliance

Canadian Environmental Law Association

Citizens Opposed to Paving the Escarpment

Conserver Society of Hamilton & District


Escarpment Biosphere Conservancy

Friends Of The Eramosa Karst 

Grey Association for Better Planning

Halton / North Peel Naturalists’ Club

Hamilton Naturalists’ Club

Nature League

Ontario Nature

Owen Sound Field Naturalists


Preservation of Agricultural Lands Society

Protect Our Water & Environmental Resources

Protecting Escarpment Rural Land

Saugeen Field Naturalists

Save the Oak Ridges Moraine Coalition

South Peel Naturalists Club

Toronto Caving Group

Wildlands League