In 2010, Pittsburgh adopted a first-in-the-nation ordinance banning corporations from extracting natural gas within the city using the controversial technique known as hydraulic fracturing, or “fracking,” over human health and environmental concerns. However, state officials now say the ban on fracking fails to comply with Pennsylvania law and has encroached on the state’s authority to create environmental regulations. We speak with the man responsible for the drilling ban, former Pittsburgh City Councilmember Doug Shields.

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