Green Roofs For Healthy Cities
The North American Green Roof and Wall Industry Association

Landscape Ontario
Landscape Ontario Horticultural Trades Association

Society for Organic Urban Land Care
Promoting and supporting organic practices in our communities through education, certification and standardization.

Sustainable Sites Initiative
an interdisciplinary effort to create voluntary national guidelines and performance benchmarks for sustainable land design, construction and maintenance practices.

Toronto Botanical Garden
Toronto Botanical Garden connects people, plants and the natural world through education, inspiration and leadership.

Evergreen is a not-for-profit organization that makes cities more livable. By deepening the connection between people and nature, and empowering Canadians to take a hands-on approach to their urban environments, Evergreen is improving the health of our cities—now and for the future.