iStockphoto

No. 9. San Francisco

23 of 33

It might be the very active nightlife that is to blame for the city’s dirtiness, because while the Golden Gate City placed low in cleanliness, it still claimed top spots for parks and environmental friendliness.

America's Dirtiest Cities 2010

No. 9. San Francisco

It might be the very active nightlife that is to blame for the city’s dirtiness, because while the Golden Gate City placed low in cleanliness, it still claimed top spots for parks and environmental friendliness.

iStockphoto

America's Dirtiest Cities 2010

Promoted Stories
Explore More
More from T+L