A new report shows the western part of the state has the most abandoned or 'orphan' gas wells in Pa. They're a big source of methane, a potent greenhouse gas.
A sociologist looks at how the environmental and community impacts of the natural gas boom in Lycoming County challenged closely-held rural values of independence and private property rights.
When the coke plant in Monessen started back up in September, so did the air quality complaints. Its previous owner agreed to a nearly $2 million settlement for air violations.
Planned wind farms off the Jersey Shore occupy some of the most fertile fishing grounds in the nation, prompting a battle between fisheries and wind power.
Energy Transfer faces 48 criminal charges related to construction of its Mariner East pipeline project, including a felony count of failing to report pollution.
The stinky smell that hung over Pittsburgh was caused by a broken valve at the Neville Chemical plant. Nearly 1,000 pounds of hazardous air pollutants were released.
Researchers say too many deer and invasive plants are threatening the long-term survival of Pa.'s forests. A filmmaker of a new documentary about a massive effort to clean up a Western Pa. river says it's a hopeful story. The author of a book about individual liberty and private property rights argues that signing a gas lease shouldn't be one of those rights.
More wind turbines in the ocean mean more renewable energy on the grid. But what's the impact on fisheries? Pennsylvania's attorney general files criminal charges for the Mariner East pipeline. A new group is encouraging people to retire their lawnmowers and leaf blowers and plant native species.
Transmission lines are key to more renewable energy, but some don't want them on their land. Students take to the streets for a climate strike. We get reaction to Pa.'s new Climate Action Plan. Volunteers clean up tons of trash along Pittsburgh's hillsides.
