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Nearly half of Americans exposed to unhealthy levels of smog and air pollution, study says

Name: Nearly half of Americans exposed to unhealthy levels of smog and air pollution, study says
Uploaded: 2018-04-18T22:58:33-0400
Duration: 1 min 19 s
Description: More than two in every five Americans reside in counties with unhealthy levels of smog and air pollution –– and many of those are in California.

More than two in every five Americans reside in counties with unhealthy levels of smog and air pollution –– and many of those are in California.