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    Green walls to fight pollution

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    euronews (in English)

    by euronews (in English)

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    They are not only nice to look at, but plants could also help clean up the polluted air in our cities.

    In Lyon, one of France's largest and most polluted cities, tests have been carried with vegetal walls in various sites, including at highway toll booths and underground car parks.

    On the deck of the Perrache railway station car park, there are 12 columns of vertical planting.

    ...
    http://www.euronews.net/