Website review: Pittsburgh surpasses Los Angeles as...
jameszol discovered this in Environment
•1 reviews since May 1, 2008
environment
•green.yahoo.com/news/ap/20080501/ap_on_re_us/...
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Army-Bugler rated 3 months ago- Sootiest city???? The reason for this is due to the factories in Ohio spewing their smoke into the air and us being in the road of travel.
