Green Advertising
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Photo from Flickr user PghFun1
PNC’s green wall towers at nearly 2,400 in square feet which is the size of two tennis courts. Wow!
According to a post over at Forecast Earth, the idea is catching on.
Like green roofs—their perpendicular counterparts—green walls are covered in vegetation and provide the benefits of natural insulation and removal of air pollutants. PNC, which provides banking and wealth management services, estimates it will be 25 percent cooler behind the wall than the ambient summer temperatures.
The PNC wall features more than 15,000 ferns, sedums, brass buttons and other plants that create a swirling pattern of varying hues of green above the company’s logo. They are divided among hundreds of 2-by-2-foot aluminum panels that were anchored onto the building’s frame after part of the granite facade was removed.
Joanne Westphal, a landscape architecture professor at Michigan State University and part of the school’s Green Roof Research Program, states that: “the biggest benefit to green walls is their ability to help cool buildings through shading. They also help capture rainwater and release it more slowly into the atmosphere and stormwater systems.
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