The Delaware City Refinery has a history of releasing sulfur dioxide while fixing equipment issues.

In a letter to the state’s regulated utilities, the governor laid out a new system to rein in corporate profits.

A sophomore at Lankenau said she’d rather graduate early or take a GED test than transfer to a different school for her senior year.

The American Lung Association says the Philly area is among the worst in the country for levels of a pollutant that can cause lung and heart issues.

Unlike lawns, which have short roots, meadows soak up water and prevent stormwater pollution.

Five decades after the original Earth Day, some Pennsylvania species are still at extreme risk.

David Vahos, PECO president and CEO, will become “special advisor” to parent company Exelon’s CEO.

Pennsylvania has awarded more than $17 million in grants to 89 state projects to improve water quality and support trout.

After several failed attempts to protect nontidal wetlands, Delaware lawmakers have introduced legislation that developers say they can get behind.

PECO made record profits in 2025 after a recent rate hike. Pa. Gov. Josh Shapiro had called the new proposal “pure greed.”

There are plenty of free opportunities to learn about nature, get active outside and volunteer to clean up your community.

Proponents of community solar energy say the initiative is a solution to rising costs of electricity.

PGW says it needs to replace an aging liquefier in Port Richmond. Philadelphia Gas Commission staff had recommended not to approve the project.

Climate change makes balmy April temperatures twice as likely, according to a research nonprofit.

Scarlet tanagers migrate to Pennsylvania’s forests each year to breed before heading back to South America.