Alex MacLean

Books: OVER: The American Landscape at the Tipping Point

<b>Phoenix, AZ</b>Smog settles between hills north of downtown Phoenix. In the Phoenix metropolitan area, the natural inversion layer traps rising particulates and forms "brown cloud" as the ground heats up during the day. Smog impacts inhabitants of urban populations that already suffer from respiratory ailments, and continued suburban growth contributes to declining air quality. Ref #: 050216-0111
Phoenix, AZ
Smog settles between hills north of downtown Phoenix. In the Phoenix metropolitan area, the natural inversion layer traps rising particulates and forms "brown cloud" as the ground heats up during the day. Smog impacts inhabitants of urban populations that already suffer from respiratory ailments, and continued suburban growth contributes to declining air quality.

Ref #: 050216-0111