Environment

Three nonprofits hope to force the federal government to regulate hydrogen fluoride more strictly. The chemical is still used at a Delaware County refinery.

Though states typically operate lead paint programs, the EPA is responsible for overseeing the implementation, a report says.

The funding would have helped reduce flooding in Lewes, Delaware, and Philly neighborhoods, as well as strengthened a dam in Hunterdon County, New Jersey.

Commonwealth Court of Pennsylvania Judge Matthew S. Wolf issued an order calling for the agency to reduce the size of its board and cease paying board salaries.

The state’s latest proposal would require new buildings in coastal flood zones be elevated an additional 4 feet, rather than 5 feet.

The settlement brings the total recovered in the 2016 class action suit to more than $90 million. Three other companies settled for more than $65 million in 2021.

Food in containers made of the white plastic foam can no longer be given to diners who eat in, take leftovers or pick up takeout orders.

Tmunity Therapeutics, with ties to Penn Medicine, once raised $231 million from investors. Now workers and its Center City office are gone.

Seaside sparrows at Cooks Beach have their own “dialect.” Rowan University researchers monitor their songs as a way to track salt marsh health.

The new legislation increases fines for environmental violations and directs the money to impacted communities.

resourcePhilly is a search engine that allows Philadelphians to find places to bring hard-to-recycle items or donate items, among other features.

It’s day seven of the Philadelphia union strike, and trash is piling up across the city residents think about the amount of garbage they create.

The highest concentrations of PFAS were detected in Southeastern Pennsylvania.

A study by researchers at the University of Pennsylvania found composting and feeding food waste to animals would cut carbon emissions.

When temperatures spiked last month, so did air pollution. Here’s why.