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No. 9. San Francisco

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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.

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America's Dirtiest Cities 2010

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