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Pittsburgh Air Quality Improving
Allegheny County officials say local air quality is better than it's been for more than 100 years. People who live downwind of the Clairton Coke Works say they notice a difference.
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Pittsburgh Air Quality Improving
Allegheny County officials say local air quality is better than it's been for more than 100 years. People who live downwind of the Clairton Coke Works say they notice a difference.
Date: 3/20/12
Views: 82
Video by:  WTAE Pittsburgh
 
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