Emerging research finds polluted air linked to mental health problems, leaving western Pennsylvania children and environmental justice communities at high risk.
The astronomer who helped Pittsburgh with its new dark sky lighting ordinance says, "I want more people to see the Milky Way right from where they live."
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.
Energy Transfer faces 48 criminal charges related to construction of its Mariner East pipeline project, including a felony count of failing to report pollution.
In 2017, DEP started developing regulations for PFAS, a class of "forever" chemicals. It might be done by 2023. PFAS is linked to some types of cancers.
Brian Anderson heads the National Energy Technology Laboratory, which focuses on fossil fuels. He's also leading the effort to help communities transition to clean energy.
It's back to the drawing board for a rule to define which streams, wetlands are protected under the Clean Water Act after a judge found the Trump-era rule risks "serious environmental harm."
The Forward Township planning commission unanimously rejected a challenge to rezone the property to allow for coal mining. Community members in attendance were "100 percent against" the mine.