Environment & Science

With the Lehigh Valley under an extreme heat warning through Wednesday, area doctors are urging residents to keep hydrated and stay cool.

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.

Northampton County and state Game Commission officials celebrated the opening of Gerald E. Seyfried Bear Swamp Park and Archery Complex and Wayne A. Grube Memorial Park with events at both locations.

This week on Watching the Skies, the subject is the beginning of ‘astronomical autumn.’

Like last year, the Valley’s cool temperatures, coupled with a lack of precipitation, could cause an earlier and shorter fall foliage season. But, it's still expected to be vibrant.

Officials behind the Lehigh Valley Breathes project have announced an Aug. 31 data cut-off date, ending the data collection phase. The project was launched in August 2023.

“Sacred Planet with Gulnaz Khan,” is a four-part documentary series focused on how indigenous leaders and traditional religious communities across the world are grappling with the impacts of climate change.

The city EAC on Monday, with support from city officials, planned to launch a trash survey focused on containers. They also discussed the possibility of a pilot program.

This week, a discussion of how to provide power to a future base for astronauts on the moon.

In a program of PennDOT and Keep Pennsylvania Beautiful, participants get training about litter prevention, waste management, civic engagement and more.

The Allentown area recorded 1.88 inches of rain on Thursday, the weather service said, besting the old record of 1.86 inches from Sept. 4, 1988.

Members discussed ways the council could help advance priorities in the city’s Climate Action Plan. With dozens of goals and tasks to tackle, members voted to prioritize those that aligned with existing committees or garnered volunteer interest.

Scannell Properties engaged in a rebuttal to address questions about the Easton Commerce Park project from Easton's Planning Commission Wednesday,

PennEnvironment Research & Policy Center on Tuesday released its new report, “Solar Schools for Pennsylvania: Repowering Education with Clean Energy."