Environment & Science

PJM Interconnection, the regional grid operator headquartered in Valley Forge, issued a maximum generation alert and load management alert for Monday.

The first day of summer can be told by the sun's position, as well as the calendar.

Presented in partnership with the Nurture Nature Center, it’s the city’s first free Sustainability Movie Night, an effort organizers said aims to bring the community together for conservation education.

With the Lehigh Valley under an extreme heat warning next week, Allentown is offering free pool admission. Find out other ways to beat the heat.

The Delaware River was chosen as the commonwealth’s River of the Year. It was celebrated Wednesday with a festival.

Easton late last month became the third major city in the Lehigh Valley to seek certification through Bird Town Pennsylvania, an annual designation focused on community-based conservation.

Tick season is in full swing in the Lehigh Valley. In addition to blacklegged ticks, those most often associated with Lyme disease, the invasive Asian longhorned tick also calls the Valley home.

Spraying began 8 a.m. Tuesday. Black flies have been a recognized pest of humans and livestock in Pennsylvania since the 1970s.

The center’s Board of Trustees said it will form a search committee this summer to begin the process of selecting Erickson’s successor, with the goal to announce a new CEO by spring 2026.

Pocono Wildlife Rehabilitation and Education Center has a new fawn hotline, where a fawn specialist will help callers quickly determine if a newly found fawn needs help, or needs to be left alone.

Ice, mist and fruit- or fish-infused 'ice cakes' are being used to cool down inhabitants.

A Lehigh Valley doctor says the antiviral regimen is readily available -- and effective.

It's not just people -- pets need someone to keep watch during extreme heat, too.

There were around 1,500 cases reported in the U.S. as of Monday.

It's OK to feed the birds again since the mysterious illness has disappeared.

Some say the app is still useful and could be adapted to other uses.

If you have symptoms, no matter where you are, isolate yourself as best you can, an expert says.

The collection shares the cumulative experience of heritage, according to the museum curator.

It's more contagious but doctors are not seeing many hospitalizations. Yet.

An environmental law expert says the EPA retains substantial authority to regulate emissions.

The programs are putting a different spin on the traditional summer camp experience.

Chickens, cardinals, praying mantis, ants and wasps are just a few of the spotted lanternfly's natural predators.