Walk or ride your bike whenever possible. It is obviously better on the planet than driving in a car. And recent studies have shown that bicyclists in cities are less exposed to air pollution than people in cars and taxis.
22 Chic Bikers Zipping In S.F. #refinery29 http://www.refinery29.com/biker-style#slide31 Valencia Street: Nicole Browner, freelance production coordinator and multimedia director at The Bay Bridged, is dog going, going, gone!