WASHINGTON — The census tracts span much of Pittsburgh, along with the suburban North Hills and South Hills. They snake along the banks of the regions rivers, encompassing small towns like Connellsville and Kittanning, rural swaths of Indiana County and the woods of the Allegheny National Forest.

State officials have deemed the tracts as environmental justice zones: areas with high poverty rates or high rates of “non-white minorities,” or both, and that often contend with industrial development or pollution issues.

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Photo Credit: Andrew Rush/Post-Gazette