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.

Lehigh Valley Transportation Study officials laid out the next steps to getting the process started for resuming passenger rail service in the Lehigh Valley — if that's what they choose to do.

The Da Vinci Science Center in Allentown is reopening next week and showing off a new 67,000-square-foot facility that includes cutting-edge technology and immersive experiences.

A program at Rodale Institute aims to develop a diverse pipeline of highly skilled professionals to serve the certified organic industry throughout the state. Pennsylvania is third in the nation for organic commodity sales.

East Stroudsburg University’s resident astronomer is leading a stargazing program at Louise W. Moore Park. It's is free and open to all ages 6 and up, but registration is required.

The parcel was manifested as “pieces of silk to be used in works." It was seized at Philadelphia International Airport and headed for northeast Pennsylvania.

While parts of the Lehigh Valley were able to get a glimpse of the Northern Lights over the weekend, weather conditions kept many from being able to enjoy the show. Now, the solar storm the pushed the aurora to the lower latitudes is waning.

WLVR’s Brad Klein reviews the week’s astronomical highlights with Bethlehem’s ‘Backyard Astronomy Guy,’ Marty McGuire. This week it's all about the star Regulus, which is part of the Leo constellation.

Christopher Sipos remembers his late-grandmother's love of birds but was pleasantly surprised to find her collection of antique baking soda trading cards that feature the feathered beauties.

Theis/Cornfeld Recycling Center in Bethlehem accepts recyclables not only from city residents, but the general public, too. There, residents can see how the process works, first-hand.

A handful of organic farms across the Lehigh Valley are welcoming residents and visitors this weekend to help their own gardens get growing.

State Sen. Lisa Boscola, D-Lehigh/Northampton, sponsored the bill. Any money collected will go toward bald and golden eagle conservation efforts.

Easton City Council heard presentations for improvements intended for Vanderveer and Centennial Parks at their Wednesday meeting, and while the refreshed spaces were well received, the question of cost is still a concern.