“Without courage all other virtues are useless” – Edward Abbey, Desert Solitaire

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  • Issue Quarter Between the Issues
  • Issue Year 2017
Although the region’s air has improved dramatically from the height of Pittsburgh’s industrial past, southwestern Pennsylvania remains home to factories and power plants that release millions of pounds of toxic chemicals into the air. The U.S. Environmental Protection Agency uses Toxic Release Inventory (TRI) data to track toxic chemicals released into the air,…

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  • Issue Quarter Spring
  • Issue Year 2017
The heavy smoke is gone. But particulates 30 times smaller than the diameter of a human hair and gases formed by the reaction of sunlight and fossil fuels exhaust remain as the region’s most widespread, stubborn and dangerous air quality problems.

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  • Issue Quarter Spring
  • Issue Year 2017
  • Sub Heading Ozone and PM2.5 are the region’s biggest air hazards
Southwestern Pennsylvania and air quality have long had a complicated relationship. For the better part of a century, the region had been a place so polluted from the soot of industry and homes heated by coal that street lamps were lit in the afternoon and walking a single block could ruin the collar…

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  • Issue Quarter Spring
  • Issue Year 2017
  • Sub Heading Taming air pollution: The region’s century-​old challenge
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