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.

The inaugural meeting of the PA Road Salt Action Working Group was held Tuesday afternoon. The group aims to reduce salt pollution as well as promote responsible road salt application practices statewide.

A multi-day severe weather event will unfold as a strong storm system marches from the Central Plains to the Great Lakes on Monday and Tuesday before targeting the Lehigh Valley on Wednesday.

Brad Klein and Marty McGuire look at the eight planets in our solar system, and discuss what it takes to see them in the night sky.

Eric Mintel recently led an paranormal investigation at Miller Symphony Hall. It comes right before the second Bucks ParaCon, set for March 8.

Allentown received a $100,000 grant from Bloomberg Philanthropies to continue funding youth-led climate action projects this year.

While initial testing came back negative, a necropsy found the mature mother eagle died of bird flu. Pocono wildlife officials say it's the fourth bird that came back negative for avian flu during field testing, but was later confirmed to have the viral infection.

The LVPC Environment Committee on Tuesday approved a proposal by Lower Nazareth Township to modify its Agricultural Security Area program. The ASA program lets farmland owners enroll their properties in an ASA, which then is managed by a municipality.

There's been another attempt to repeal the Environmental Protection Agency's Lead and Copper Rule Improvements.

This week, Brad Klein and Marty McGuire take a look at the lunar phenomenon known as ‘earthshine.’

Emmaus Borough Council awarded the contracts earlier this week. The project focuses on two of the borough’s wells, including one that’s been offline since PFAS contamination was discovered.

Thousands of the Lehigh Valley's wild and domestic birds have been infected with avian flu. However, risk to songbirds remains low.

There have been dozens of claims brought against B. Braun alleging the ethylene oxide emissions from company facilities contributed to cancer cases in nearby residents and employees.