Placemaking: The Reimagined Laneway

Chicago’s Green Alley Initiative: Similar to Vancouver’s Country Lanes Program (but on a much larger scale) Chicago has retrofitted alleys with environmentally sustainable road-building materials. In a green alley, water is allowed to penetrate the soil through the pavement itself, which consists of permeable concrete or porous asphalt. Then the water, filtered through stone beds underneath, recharges the underground water table instead of ending up as polluted runoff in rivers and streams. The new alley surfaces are made with recycled material and light-colored pavement that reflects heat, keeping them cool on hot days and reducing the “urban heat effect.” The alleys also use energy-saving overhead lighting that directs light downward to minimize light pollution. The alley project is built into Chicago’s larger vision of green roofs, water systems, and green living infras...

Full article: http://www.sustainablecitiescollective.com/city-life/1652...

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