Portland Ecoroof Program
The City of Portland’s ecoroof program includes technical resources, regional ecoroof professionals, as well as tools for new and redevelopment projects to comply with the City’s Stormwater Management Manual.
Greenroof Info Think-tank (GRiT)
GRiT is a network of businesses, government agencies, non-profit organizations and others, collaborating to grow the knowledge and use of green roofs in the Pacific Northwest.
Greenroofs.com
Promotes the earth friendly technology of organic greenroof architecture through the interchange of ideas, projects, news, video, government updates, and more via their website. Publisher of the Greenroof Directory and the Greenroofs and Greenwall Projects Database.
Green Roofs for Healthy Cities
A not-for-profit industry organization working in collaboration with its members to develop the market for green roofs and green walls across North America.