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.

A brush fire closed Route 33 Southbound in Wind Gap early Monday afternoon, backing up traffic for miles, as crews battled a series of blazes in Northampton and Monroe counties, officials said.

The college resubmitted plans May 26, two weeks after Easton officials sent a letter notifying officials that the walkway project had deforested a portion of a slope without city approval.

Landfill officials have less than a week to appeal a judge's ruling that halted expansion efforts and conditional use hearings. If not appealed, the process could be started over.

The resolution, passed 129-72, empowers the House Legislative Budget and Finance Committee to complete a study on the status, management and benefits of wildlife corridors across the state.

Smoke and haze from wildfires in Canada will again spread across Lehigh Valley skies this week, the National Weather Service warned Monday.

Take a look at stories throughout the week of which we are most proud, had a profound impact on readers or that you might want to look at again.

The two events, offered to Northampton County residents, provide a safe and convenient opportunity for residents to securely dispose of sensitive documents.

The Lehigh County Conservation District and Dieruff High School are partnering to transform a vacant courtyard at the school into an urban garden.

WLVR's Megan Frank talks with Molly Bilinski and Brian Myszkowski.

A team of students from Bangor Area High School placed ninth in this year's statewide Envirothon competition, essentially a scholastic scrimmage for environmental science. The team placed first for the wildlife station.

In a map released Thursday, nearly the entire state of Pennsylvania was designated as “abnormally dry” by the U.S. Drought Monitor. The status is a precursor to drought and is likely to worsen over the next couple of weeks.

The cost of the Upper Mount Bethel Preserve project is estimated at $2.1 million, it was disclosed at a public meeting of the final plan on Wednesday night.