Environment

North American river otters once lived in every major river system in Pennsylvania. But because of development, otters largely disappeared from the state by the early 1900s.

Repairs to a broken air pollution control device could take two more weeks, a refinery official said.

The EPA regulated "forever chemicals" last year, but recently proposed to rescind certain restrictions.

NOAA said a warmer ocean is partly to blame for the above average predictions. New Jersey officials said beach preparation is key.

The air pollutant sulfur dioxide can make breathing harder for people with asthma. The refinery has been releasing it for several days.

PECO bills are set to increase around $8 a month starting June 1, as demand for electricity rises.

Bartram’s Garden says it’s waiting for a green light from the city to reopen the trail. The city says the decision lies with the state Department of Environmental Protection.

Pennsylvania, New Jersey and Delaware are among 13 states serviced by PJM Interconnection. Federal regulators say the growing demand for electricity is “not sustainable.”

A mild winter prevented serious beach erosion. But officials worry federal funding cuts could hamper future data collection and monitoring efforts.

With the fate of EPA regulations uncertain, advocates say local environmental protection efforts, like a community air monitoring network, are increasingly important.

An analysis by WHYY News shows the increased traffic could raise Philly’s transportation sector carbon emissions by around 4%.

Unlike modern infrastructure, which utilizes separate piping systems, Camden’s older sewer systems send stormwater and sewage through the same underground pipes.

Winds of up to 105 mph were reported with the gustnado that snapped trees outside a Franklinville home.

The county hoped to make fossil fuel companies pay to help it address the impacts of climate change, such as worsening flood risk.

PFAS are a group of chemicals that have been around for decades and are incredibly useful in household products, but that resilience also makes them hazardous.