The EPA's landmark study of fracking's impact on drinking water has been embroiled in a seesaw battle of semantics. Here's what the agency is saying in its final report.
Call it a silver lining. But states along the Ohio River have much better safeguards for drinking water supplies today as a result of some past disasters.
Back in 2014, Ten Mile Creek was suspected to have dangerously high levels of radium. But recent tests by the Pennsylvania DEP now show that levels are within federal safety standards.
Interstate cooperation has been crucial to restoring waters in the Great Lakes and Chesapeake Bay. But so far, marshaling a regional effort to improve the Ohio River has proven difficult.
Damon “Hop” Hopkins only needs three words to tell you about the grossest thing that’s ever happened to him working in Pittsburgh’s sewers. “Chest high. Feces.”
As pipeline construction revs up across the region, there’s growing concern that impacts on the landscape aren't getting enough scrutiny from regulators.
Police diver Greg Tersine has a unique view on Pittsburgh's Three Rivers. He has to navigate the maze of shopping carts, cars and stolen ATM machines that line the bottom of the rivers.