Air Alliance Houston Profile
Clean Air Council (Philadelphia) Profile

Timeline of Philadelphia:
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MAY 2015 -- Shell's proposed Ethane Cracker Plant given hearing, air- quality effects discussed. The Clean Air Council is one of several regional groups to oppose the plant due to air quality concerns (not just for nearby Pittsburgh, but for entire region)

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MAY 2014 -- Study finds that Pennsylvania's Race-and-Income pollution gap is the largest in the country. (pollution gap)

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APRIL 2013 -- Philadelphia was awarded an 'F' rating for high Ozone levels by the American Lung Association. (F grade)