The Debate Over Green Roofs and Rainwater Runoff
The United States Environmental Protection Agency cites rainwater runoff to be a major contributor to pollution in our lakes, rivers, streams, and ponds. In all areas, but primarily in cities, storm runoff carries pollutants to these waters, including chemicals, grease, and gasoline. A green roof will process rainwater and use it to water the plants on the roof, thus depleting the amount of runoff.
