Put a Green Roof On It... | green streets | Scoop.it
A new tool visualizes green roofs on any building, and the water and energy they could save.

The rivers and streams advocacy group American Rivers has just come out with a cool new tool for what might seem an off-message topic: green roofs. A posterchild of the green building movement, green roofs have gained a lot of popularity in recent years with the rise of green building certifications like LEED, a high-profile roll out on the roof of Chicago's City Hall and the general uptick in concerns about energy usage in buildings. Growing a garden on top of your office building has rapidly evolved from crackpot to conventional...