Drilling for oil and gas creates waste that can contain heavy metals and radioactivity, and much of it is sent to the same landfills as our household trash. An investigation into how contamination from shale drilling waste can move from landfills into waterways without much oversight. Treating drinking water to prevent lead contamination might have the unintended consequence of higher phosphorus levels in urban waterways. Researchers are working to figure out the balance between how much carbon forests emit and how much they absorb.

An Allegheny County borough plans to vote next month on a plan to build a massive data center on the site of a former power plant. The U.S. has the largest collection of apples in the world – about 5,000 varieties. How cuttings from old apple tree varieties could have rare genes that fight off new threats to our food supply. A festival in central Pennsylvania celebrates the American chestnut while educating about its conservation struggles. Considering the sticker price of eggs, some in Pennsylvania are substituting other foods for eggs at breakfast. We head to a cabin in the woods to unplug.

The Ohio River Basin is poised for a multi-year ecological restoration after decades of industrial pollution, but only if Congress decides to fund it. Constellation Energy’s project to restart a nuclear reactor at the former Three Mile Island plant in Dauphin County is getting a one billion dollar loan from the federal government. Allegheny County Council voted unanimously to approve a series of fee increases for facilities that produce air pollution. Ohio's Great Black Swamp might hold the key to reducing pollution in the Great Lakes. The first leg of a new trail system in Centre County, Pennsylvania, is ready for visitors. A percussionist from Brazil turns discarded objects into musical instruments.