We have mentioned LiveRoof, the green roof for people with short attention spans before; it is the "prevegetated modular green roof system" that installs, complete, in hours rather than years. While visiting the Green Building Festival, I found that Terry McGlade of Gardens in the Sky is now growing them in the Toronto area. He explains in the video above why it is such a good technology; one interesting point was that because the roots are already grown into a tight mass, there is far less opportunity for wind and water to carry loose soil away and wash it into the drains.
Detail of the system below the fold. ::Gardens in the SkyMore Green Roofs on TreeHugger:
TreeHugger Picks: Green Roofs Go Big-Time
Green Roofs On Cars
DIY Green Roofs- Is This a Good Idea?
An Early Green Roof. With Houses.
A Picture is Worth... Grenivik Houses in Iceland
2008 Award-Winning Green Roofs and Walls
Green Roofs in Osaka
Green Roofs : A primer : TreeHugger