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 ...

You may have noticed your electricity bill is rising. The Pennsylvania Utility Commission alerted consumers that the price of electric generation is increasing this month, just as it’s getting hotter ...

This week, we look at the life and legacy of Henry David Thoreau, who has been called the godfather of the environmental movement. We interview the directors of a new Ken Burns documentary about ...

A new Ken Burns documentary, Henry David Thoreau, directed by Erik Ewers and Christopher Loren Ewers, examines Thoreau not just through the lens of American history, but also asks what his work means ...

Passenger pigeons were once the most abundant bird in North America. But in 1914, they went extinct. Most of their last nesting grounds hugged the Great Lakes. What was it like to experience these ...

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 ...

The Trump administration is drastically cutting the budget, and reorganizing the U.S. Forest Service, moving its headquarters and research facilities to western states. In Pennsylvania, four research ...

A new report finds Pennsylvania’s use of solar energy is on the rise, but the state still falls behind most of the country in adding more renewable energy on the grid. The environmental group ...

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 ...

The Trump administration announced it is rolling back a Biden-era rule on power plant mercury emissions, a neurotoxin that impairs cognitive development in young children. The rule mainly affects the ...

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 ...

Driven by the growth of data centers for artificial intelligence,, and electricity prices are surging. In Pennsylvania, some consumers are seeing double-digit price hikes. At the same time, President ...