With passage and implementation of the Safe Drinking Water Act, waterborne diseases plummeted, monitoring increased, and ...

The environmental group PennEnvironment put together a guide with tips on buying refurbished laptops, phones, and tablets for ...

To offset flying across the country, you’d need to go car-free for a month and a half or eat a vegan diet for three months.

Companies in Europe are beginning to cut climate pollution for heavy industries like steel. What will it take to bring these ...

Bird Count is the longest running citizen science project in the country happening from mid-December to early-January.

The state has required precautionary bulk milk testing since November for Pennsylvania's roughly 4,900 dairy farms.

Thousands of anglers visit the coldwater streams of the upper Delaware River watershed each year to catch native brook trout.

The report is a step in the effort to create a restoration plan for the 14-state Ohio River watershed that can attract federal funding.

Companies in Europe are beginning to cut climate pollution for heavy industries like steel. What will it take to bring these technologies to the U.S.?

The western Pennsylvania company will make improvements at 49 oil and gas sites in Lawrence and Butler counties and pay a $2 million penalty.

Coal-based steelmaking is the predominant way steel is made around the globe and is still practiced in the Pittsburgh region. A new report says it has serious consequences for public health. The ...

The shorebird species is endangered in Pennsylvania and two juveniles fledged their nest on sandy, Lake Erie beach in August.