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 meteorological winter of 2022-23 is now in the books as the 7th warmest on record in the Lehigh Valley, but a potent storm system is heading this way.

Forecasters say another system will target the Mid-Atlantic region on Friday, and it will likely bring another shot of frozen precipitation to the area.

Lower Saucon Township residents opposing the landfill expansion who received party status are permitted to ask questions of witnesses, present evidence, make arguments, and are allowed to participate in an appeal.

Our daily list of useful information, chosen to inform and enhance your day, includes news you can use and then some!

The National Weather Service issued a winter weather advisory starting Monday night into Tuesday morning for the Lehigh Valley region. Hazardous conditions could affect the Monday afternoon and Tuesday morning commutes, according to the advisory.

Shipments of contaminated waste from the site of a fiery train derailment earlier this month in eastern Ohio near the Pennsylvania state line will resume Monday.

Scholl Orchards installed towering wind machines on its land in Kempton, Berks County, in a battle to ward off frost. It's necessary with warming winters to protect the trees from damage.

In October, months before the East Palestine derailment, the company also directed a train to keep moving with an overheated wheel that caused it to derail miles later in Sandusky, Ohio.

An unseasonably warm winter has people thinking their pollen allergies are already acting up. But other temperature-related causes can trigger allergy-like symptoms.

As the weather warms, there have been more reports of ticks in the Lehigh Valley. An expert explains why and how to protect yourself.

Some Pennsylvanians in Beaver County who live within or just beyond the evacuation area near the site of the train derailment are worried about the long-term effects of the event.

In the aftermath of the derailment, which released toxic chemicals into the streams and air around East Palestine, many are wondering how the country’s regulations around rail traffic could have allowed a train with 20 cars of hazardous material not to be considered a “high hazard.”