utah air quaity
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BYU economics professor tackles air pollution controversies
Professor C. Arden Pope III emphasized the dangers of air pollution to the audience during a lecture in the SWKT. (Ari Davis)
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Utah Valley holds first Clean Air Rally
Rally attendees hold signs and wear face masks to voice their concern about Utah's air quality. (Gianluca Cuestas)
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Kennecott Copper pledges free UTA TRAX passes on bad air days
A poor air quality sign is posted over a highway Wednesday, Jan. 23, 2013, in Salt Lake City. (AP Photo)
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