Steven W. Peck, founder and president of Toronto-based nonprofit association Green Roofs for Healthy Cities, shares his thoughts about the benefits of vegetated roofs. More
Steven W. Peck, founder and president of Toronto-based nonprofit association Green Roofs for Healthy Cities, shares his thoughts about the benefits of vegetated roofs. More
The temperature atop Chicago's City Hall building on an average summer day is usually 14 degrees to 44 degrees cooler than the county office building across the street. The reason: the county building has a typical black-tar roof, while City Hall has a green roof planted with grass, plants, and flowers. More
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