Gov. Wolf needs to appoint two new commissioners this fall to fill vacancies on the five-member board, but faces pushback in the state Senate, which opposes Pa.’s plans to join the Regional Greenhouse Gas Initiative.

At the request of the Department of Environmental Protection, Sunoco stopped construction on a section of the line near Valley Creek and the Chester County library.

Opponents feared more air pollution and criticized reliance on fossil fuels amid the need to cut greenhouse gas emissions that contribute to climate change. The city says it did what it was supposed to do.

The report by the group Physicians for a Social Responsibility is based on a public records request. The group didn’t find evidence of the chemicals used in PA wells.

The chemical compounds and reactions that make all those colorful lights shine and explode come with a toxic stew of air pollutants.

Philadelphia and four suburban towns sued in March over the General Assembly’s ban on plastic bag bans.

The ruling reverses a the Third Circuit Court of Appeals decision that held New Jersey could block construction on conservation land. Industry praised the decision; PennEast opponents vowed to continue their fight.

As the coronavirus raged in the U.S., air quality researchers were granted the gift of a natural experiment. It may be another year before the data can be analyzed.

After a video call with the company that’s redeveloping the PES site, some members of an environmental justice group said they still had questions.