The Pennsylvania Department of Environmental Protection is accepting public comments on a proposed permit for treated wastewater discharge for a new coal mine planned for the Laurel Highlands in ...

Work began earlier this month on a billion-dollar tunnel project intended to reduce untreated sewage and stormwater in the region’s rivers — contamination that fouls waterways, threatens public health ...

Henry David Thoreau has been called the patron saint of early environmental thought in the U.S., from his transcendentalist writings during the mid-19th century to his decision to live a secluded life ...

Ken Fellows has been fishing off and on all his life. Last year, he decided to try his hand at turtles. He caught one near his favorite fishing hole along Montour Run, west of Downtown Pittsburgh “I ...

In the same week that the U.S. Environmental Protection Agency announced that it would give Pennsylvania more than $39 million to address PFAS contamination in drinking water, the agency also said it ...

Gov. Josh Shapiro announced he was moving to extend the lives of two Western Pennsylvania coal-fired power plants for four more years. The decision means that Keystone Generating Station in Armstrong ...

A study by the Pennsylvania Department of Environmental Protection found the liquid runoff from Pennsylvania landfills that take solid oil and gas waste poses no “significant” threat to the public ...

Pittsburgh’s Public Source is an independent nonprofit newsroom serving the Pittsburgh region. Sign up for Public Source’s free newsletters. At 10:47 a.m., U.S. Steel’s Clairton Coke Works outside ...

Hannah Hohman and Koa Reitz stood on an old bridge on a sunny afternoon, looking down at the confluence of two streams. Hohman glanced back and forth between the iced ...

Is January too early to think about spring flowers blooming? According to a new scientific paper, we aren’t waiting as long for those first native wildflowers to bloom in Pennsylvania thanks to ...

This is part of a series tracking waste from the fracking industry. Off a back road in the hilly country south of Pittsburgh, a tributary to the Monongahela River runs through overgrown vegetation and ...

This is part of a series tracking waste from the fracking industry. When John Quigley became the secretary of the Pennsylvania Department of Environmental Protection in 2015, he knew that he would be ...