Ryan O’Callaghan is president of the United Steelworkers Local 10-1, which represents 640 union workers at Philadelphia Energy Solutions. The 150-year-old refinery is shutting down later this month after a fire destroyed one of its units.

Refinery’s closure sparks calls for a ‘just transition’ in Philadelphia

Two very different views toward what should happen to it mirror a conversation that’s taking place across the country: How do we move toward a low-carbon future without displacing the more than one million people who make their living in fossil fuels?

By Emily Pontecorvo, WHYY

Mariner East 2 pipeline construction in Delaware County. The project spans multiple counties, including neighboring Chester and Berks.

Landowner sues Sunoco, saying horizontal drilling for Mariner East contaminated his water well

Soil disturbance caused e. coli to leak into water supply, resulting in illness, lawsuit says
By Jon Hurdle

In this June 2012 photo, Michael Hall, 2, pulls down the edge of the pool while others swim  in Philadelphia. Climate change has already brought hotter weather to the state, where some areas have warmed 2 degrees in 30 years.

A large flare burns off fuel at Philadelphia Energy Solutions refinery while firefighters battle a fire there.

Jessica Cutaiar never liked the taste of the well water at her Sellersville home. Now she knows it is contaminated with PFAS, a chemical used in fire retardant foam.



Several C-5 Galaxies sit on the flightline during the morning sunrise at Dover Air Force Base, Delaware, home to the 436th Airlift Wing. Photo used under creative commons license (https://bit.ly/1jNlqZo).

FILE PHOTO: Cheswick Generating Station in Springdale, Pa. Photo: Reid R. Frazier

A spotted lanternfly nymph.

State officials ask for public’s help combating spotted lanternfly

The insect is seen as a significant threat to Pennsylvania’s grape, tree fruit, hardwood and nursery industries.

By Marie Cusick

The Delaware City Refining Company will pay a $950,000 penalty for violations of the Clean Air Act dating to 2010. The settlement does not cover violations from a fire that broke out in February, releasing hydrogen sulfide and sulfur dioxide into the air.

Bruce Mansfield coal-fired power plant in Shippingport, Pa.

‘Trump on Earth’ podcast: So long, Clean Power Plan. What will the president’s new rule bring?

An Obama administration official says the Affordable Clean Energy Rule will be challenged in court — and the outcome of that battle could have a significant impact.

By Reid Frazier