One geologist says the landscape is like "Swiss cheese" from a century of oil and gas drilling. All those wells could allow fracking wastewater to travel back to the surface.
Some Clearfield County residents have fought for years to block a proposed injection well to store wastewater from the state’s natural gas fields, but the project has secured a permit from Pennsylvania environmental officials.
A pivotal EPA study provided the rationale for exemptions that helped unleash the fracking boom. The science was suppressed to protect industry interests.
