Green Roofs & Living Walls
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.
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.
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.