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June 2, 2011

Philly's Green Stormwater Plan a Go
If it's seems like years ago that I wrote about Philly's innovative stormwater infrastructure plan, that's because it was. Philly announced the -- literally -- groundbreaking plan to invest billions in building green roofs, permeable concrete sidewalks and other techniques so as to avoid investing several times that amount in sewer lines, holding tanks and other old-style stormwater solutions. Via Tyler Falk at SmartPlanet, the city announced that the EPA and the Pennsylvania Department of Environmental Protection have both given the ambitious plan the "green" light:
The City of Philadelphia announced that it will move forward on a plan to invest $2 billion over the next 25 years on green infrastructure to clean up the city’s water.

The plan calls for building green infrastructure like stormwater tree trenches, vegetated bumpouts, porous asphalt, rain gardens, and sidewalk planters. These natural infrastructure projects to filter rainwater and allow it to slowly seep back into the ground rather than runoff into waterways, taking pollutants with it.
When completed, this new system would be unique among large US cities -- all part of Mayor Michael Nutter's goal of making Philly one of the greenest cities in America. A very worthy endeavor indeed. Oh, and look! A stormwater website! And video!

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