PGW sought emails, texts and memos from climate groups that are participating in its ratemaking case. The PUC ruled that would violate the First Amendment.

Landlords would be required to certify their properties are lead-free, or safe from the toxin.

Regulations demanding Delaware water providers test for PFAS would take effect a year before federal requirements.

The funding includes more than $36.9 million for Pennsylvania and more than $9.8 million for Delaware.

Under a deferred prosecution agreement, the federal government may drop the criminal charges if the district complies with federal law.

In 2020, Josh Shapiro, then Pa.'s AG, released a landmark report with recommendations on regulating fracking. Advocates say he has done little to advance them.

Three takeaways from a panel moderated by WHYY’s Maiken Scott about flooding in Germantown and beyond.

Extreme heat could impact rail infrastructure. SEPTA says it slows down trains to prevent failures.

The violation is separate from an incident in May that led to sulfur dioxide emissions, but involved the same pollution control device.

Temperatures in the area could hit 100 degrees Tuesday for the first time since 2012.

PECO is working to fix outages from last week’s storm. But thousands of customers are without power for A/C as temperatures soar.

Last week, the EPA announced that it plans to repeal a rule expected to curb climate pollution from power plants.

Residents are calling for tougher environmental laws, and want regulators to evaluate what could have been done differently.

While Atlantic Shores took the step to cancel its contract with New Jersey, the company says its project is in a holding pattern while awaiting a new political climate.

The refinery reported emissions of the toxic gas sulfur dioxide at rates as high as 1,450 per hour over the past couple weeks. Officials say air quality remains good.