15 May '11, 8am

Philly’s First Porous Street Curbs Pollution

Philly’s First Porous Street Curbs Pollution

The new porous Percy Street in South Philadelphia was built to eliminate problematic eliminating storm water runoff. Photo: Mary Mazzoni, Earth911 The city of Philadelphia has engineered a new way to mitigate standing water in the streets, stop flooding in residents’ basements and combat storm water woes – replace standard asphalt streets with porous, sponge-like substitute. Last week, the city’s mayor, Michael Nutter, Deputy Mayor Rina Cutler and City Councilman Frank DiCicco unveiled the city’s first porous green street – on Percy Street in the South Philadelphia neighborhood. Porous materials, including porous asphalt, are designed to allow water to soak through an otherwise impenetrable surface, eliminating storm water runoff. Porous asphalt is as structurally strong as conventional asphalt and looks almost identical, but it also includes voids or spaces that allow wat...

Full article: http://earth911.com/news/2011/05/15/philadelphia-porous-s...

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Solar Plane Completes First International Flight

Solar Plane Completes First International Flight

greenbiz.com 16 May '11, 9pm

As the airline industry tests greener alternatives to jet fuel , the leaders of the Solar Impulse project are pushing ahea...