This storyoriginally appeared on CityLaband is part of theClimate Deskcollaboration. Until she moved to Fresno, California in 2003, Janet DietzKamei had never experienced asthma. But after just a few years in a city notorious for its filthy air—the American Lung Association lists it in the five worst US cities for air quality—DietzKamei found herself in the emergency room struggling to breathe.
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