The Delaware City Refinery has been continuously releasing more than permitted amounts of toxic sulfur dioxide into the air for a week now, but air quality in the area remains safe, according to the ...

File: Flames and smoke emerge from the Philadelphia Energy Solutions Refining Complex in Philadelphia, June 21, 2019. Hydrogen fluoride, which can travel for miles, was released, but most was diverted ...

Valero will pay more than $270,00 in fines as part of a settlement with the U.S. Environmental Protection Agency, after the regulator found several chemical safety violations at the company’s ...

A chemical release at a West Virginia refinery Wednesday morning killed two people and left 21 others needing medical care as emergency crews raced to contain the incident. Kanawha County Commission ...

Two people were killed in a chemical release at Pemex’s 312,500-barrel-per-day (bpd) Deer Park oil refinery in Texas, the county sheriff said. Up to 35 people at the refinery were treated at the plant ...

This story is part of the WHYY News Climate Desk, bringing you news and solutions for our changing region. From the Poconos to the Jersey Shore to the mouth of the Delaware Bay, what do you want to ...

An accident involving the potentially lethal compound used in making high-octane gasoline could threaten hundreds of thousands of nearby residents. Environmental groups want a federal judge to order ...

(This story has been updated to include information provided by the Delaware Department of Natural Resources and Environmental Control after the story was first published, and to correct a typo in a ...