Totaling over 45 000 square feet it is the largest green roof on an existing building in philadelphia.
Peco green roof.
Substrate which supplies water and nutrients to plant roots ensures gas exchange at the roots and provides anchorage to support plants.
Peco estimates that the green roof will reduce the annual volume of stormwater runoff by 60 to 70 percent.
Hunter legerton at tedxcharleston duration.
Participants must be 18 years or older.
The plants which trap dust absorb carbon dioxide release oxygen and create habitat.
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Mayor michael nutter has recognized the roof as a step forward in his quest to make philadelphia the greenest city in america.
Says denis o brien the company s president and ceo as a major business in the region being environmentally responsible is not just a nice thing to do it s the right thing.
The peco green roof consistsof several layers from top to bottom.
Join phs for a tour of the peco building in center city.
Enjoy a virtual tour of the peco green roof.
The peco green roof serves as an emblem of philadelphia s progressive storm water management policies.