City Cyclists Should Be Wearing Respirator Gas Masks [Bikes]

Cyclists traveling the car-filled streets of a city have one more hazard to worry about - black carbon from air pollution. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/t5o-kPs73OE/city-cyclists-should-be-wearing-respirator-gas-masks

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