The roughly 6,900 toxic-containing wastewater discharges along the Ohio River are mapped out, including how much they spew annually. But public records only tell part of the story.
Republicans are pushing for looser regulations on conventional oil and gas drillers, who generally run small operations and work with relatively shallow wells.
The Ohio River system has more mussel species than any other river system on earth, except the Mississippi. Scientists are working to get to the bottom of their mysterious disappearance.
Many thyroid cancer patients point to the nuclear accident at Three Mile Island 40 years ago as the cause of their disease. A Penn State College of Medicine study shows a correlation.
Newport, Kentucky is embracing green infrastructure as a solution to its sewage woes. They're planting trees, replacing concrete and planting rain gardens.