I Love Eco roofs. Not only do they serve the environment they act as a living art piece.
I'm working on a remodel of a home in Lake Oswego and there are two roofs that we have installed Eco gardens on. One outside the master bedroom where my dog Skip is enjoying the view and the other on a first floor roof that you see from massive windows inside and you view as you come up the slate stairs to the main entry.
To Read more about how to make a living roof top click here