Decades-old oil drilling may still be impacting rivers and streams today, with researchers finding biodiversity declines tied ...

Pennsylvania is the nation’s second-largest natural gas producer, yet the Commonwealth does not provide sufficient resources to its Department of Environmental Protection to properly regulate this ...

Hundreds of thousands of old oil and gas wells are spread across Pennsylvania, and some could be leaking harmful chemicals into the atmosphere and groundwater. This is the warning of research led by ...

Researchers surveyed 18 abandoned wells, like this one, and found that they not only leak natural gases that contaminate the atmosphere but also release methane into the adjoining water table. Some of ...

As the United States continues to lead global oil and gas production—accounting for roughly 20% of worldwide output in 2024—understanding how different extraction methods affect ecosystems has never ...

How much toxic oil and gas waste is produced in Pennsylvania every year, and where does it end up? Despite state efforts to track it, there’s no way to know for sure. For more than a decade, ...

Dan Arthur, the president and chief engineer of ALL Consulting, stands beside a defunct oil well in the Tallgrass Prairie Preserve in Oklahoma on March 20, 2024. The well has not been used for years — ...