Owen Jensen reports: While many residents of California's cities have grown used to the polluted air -- dubbed "smog" -- that is a constant feature of daily life there, experts say that it still poses a health hazard. Fortunately, there are ways to reduce the air pollution level, according to Wade Proudfoot, writing in the San Francisco Chronicle.
http://www.lifequotes.com/articles/report-smoggy-air-could-be-harmful-to-cali...
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