Environment

Tree and grass pollen are at extreme levels, according to local pollen counts. Experts say climate change is to blame for longer allergy seasons.

Researchers say weed killers can harm the environment and pose potential human health risks.

The new restrictions will apply to over 200 facilities across the country. The EPA says they’ll cut cancer risk.

Drinking water providers are seeking funding to cover the costs of eliminating toxic PFAS from its water supplies.

Climate activists say PGW’s plan for the infrastructure conflicts with the city's climate goals.

The effort will include crews dedicated to neighborhood cleanup and more trash cans on city streets.

The epicenter was near Whitehouse Station, New Jersey — about 60 miles northeast of Philadelphia.

Water providers will have a total of five years to test and treat their drinking water for PFAS.

Officials warn that a changing climate can spark a wildfire despite a wet couple of months.

Teams from Drexel and the University of Delaware traveled to the path of totality as part of a nationwide NASA project.

The peak of the solar eclipse is over in the Philly region. Clouds thickened as we reached maximum coverage, but brief breaks in the clouds allowed people to see the event.

Since 1950 there have only been about 20 East Coast quakes with a magnitude above 4.5, according to the U.S. Geological Survey, compared to over 1,000 on the West Coast.

Here are a few ideas on how best to take in the experience.

"I remember mostly everybody went crazy when it got dark," says 8th-grader Kaylee Tress. "It was such a bizarre feeling."

Friday morning’s shaking got us thinking more about the ground beneath our feet. How common are earthquakes in our region?