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.

Green Building United held a sustainable warehouse forum at Lafayette College, discussing the ways the Lehigh Valley's economy can grow while increasing sustainability.

The Lehigh watershed has among the highest amounts of chemicals linked to reproductive health issues and cancer released into it in the country, according to anenvironmental advocacy group.

The club is hoping to raise the profile of whitewater racing across the U.S.

Verde, spotlighting 'clean and beautiful products,' opened last month at 267 E. Broad St.

Residents in affected areas are being asked to voluntarily conserve water.

Founded in 2017, the company develops semiconductors for several applications.

Conservationists tag around 35 Monarchs each year. They used to tag hundreds.

Tracking 10 miles makes you eligible for the ticket drawing for next year's headliner shows.

Hazardous trees are cut down due to old age and illness.

An expert says the tragedy illustrates the dangers of handling exotic animals.

Classroom space, laboratories and a visitor center will be part of the state-of-the-art facility.

Don't just go by what's on the packaging. Best to check online, too, a local expert says.