Gallery: Chicago Unveils the “Greenest Street in America” with Permeabl...


Last week, Chicago officials held a ribbon-cutting ceremony on “the greenest street in America,” a two-mile stretch of Cermak Road and Blue Island Avenue in the city’s Pilsen neighborhood. In addition to new pedestrian and bicycle features, the innovative new street surface will filter stormwater, helping to prevent the city’s combined sewers from overflowing. Most impressive of all, the cement used to pave the street cleans the surface of the roadway and removes pollution from the air.

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  1. palmerwoodrow October 22, 2012 at 5:12 pm

    Chicago streets have always been permeable; they’re mostly holes.

  2. GreenKiran October 19, 2012 at 9:54 am

    I bet the vehicles used in construction was run on oil

  3. greentechforum October 18, 2012 at 2:19 pm

    Titanium dioxide (TiO2) nanoparticles have proven effective in reducing nitrogen oxide and nitrogen monoxide by 20-70% in tests on roadways in Germany. It’s also a common ingredient in cosmetics, sunscreen and even toothpastes, so it’s not like we’re not exposed to it already. The question is, what effect will it have on the environment now that we’re applying huge quantities of it on roads and buildings?

    I interviewed Professor Maria Vittoria Diamanti, one of the world’s leading experts on TiO2, about its potential effects on us and the environment. You can read it at

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