Environment

A dozen wells in Sellersville, Bucks County, are tainted with the toxic chemicals. Homeowners are getting water deliveries while the DEP finds a solution.

Philadelphia Energy Solutions has had a long history of fires and financial troubles. Why was the latest accident a tipping point for the 150-year-old oil refinery?

In remarks at a summit in Abu Dhabi, he painted a grim picture of how rapidly climate change is advancing, saying it is outpacing efforts to address it.

As the fireball raged over South Philadelphia last week, over one million residents in our region faced potentially life-threatening circumstances.

More than half of 2018 total will be paid to counties and municipalities to offset effects of gas drilling

Philadelphians with the Sunrise Movement protested in Washington for three days, seeking a Democratic debate focused on climate issues.

Some of Philadelphia’s most desirable neighborhoods come with a risk of increased exposure to auto-related air pollution.

With other refineries in the region at or near capacity, the East Coast will likely look to the Gulf Coast and Europe for gasoline and other products.

WHYY’s PlanPhilly spoke with seven Philadelphians, including politicos, neighbors and activists, about their vision for the site’s future. Here’s what they told us.

Sixteen environmental groups sent a letter to Wolf and legislators Tuesday decrying the transfer of $10 million out of the state’s Environmental Stewardship Fund.

The New Jersey legislature approved a budget bill this month that would send the Delaware River Basin Commission $200,000 less than the state promised.

Philadelphia, state and federal officials gathered Tuesday to assure city residents Friday’s explosion and fire did not result in any public health threat.

A hydrogen fluoride release could have had deadly consequences.

An expert says toxic clinging jellyfish have been found for the first time south of a popular Barnegat Bay boating area off southern Island Beach State Park. 

A massive explosion rocked the oil refinery in South Philadelphia early Friday morning, city officials confirmed.