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.

Take a look at stories that ran 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 city is one of the first in the Lehigh Valley to carve out a position for a dedicated sustainability coordinator to oversee environmental initiatives and bolster community engagement.

Registration is open for the Nurture Nature Center's Youth Climate Summit of the Lehigh Valley, a free event April 19 and 20. The summit aims to engage middle and high school students in climate change issues, as well as seek solutions.

WLVR's Megan Frank talks with journalists Stephanie Sigafoos and Julian Abraham.

A complex storm system will bring snow to the Lehigh Valley on Friday before temperatures tumble, forecasters warn.

Several Lehigh Valley schools are closing Friday because of the weather forecast.

The Lehigh Valley is under a winter weather advisory and will see accumulating snow for the second time this week. But totals could be higher, with a lot of variables at play.

Easton's Nurture Nature Center may be able to add a new immersive dome theater to their location, provided they receive a parking variance and government clearance to use funding for the project.

The Lehigh Valley won't get a break from snow and brutal cold. Another storm is brewing for the region on Friday.

The National Weather Service recorded 3" of snow at Lehigh Valley International Airport by 1:00 p.m. on Tuesday, where school closures opened up a world of opportunity for some kids who wanted to get outside and do some sledding.

North Whitehall Township's Klusaritz Family Farm was recognized at the Pennsylvania Farm Show as one of six farms across the state that had been in the same family for more than 100 years.

Snow and freezing temperatures brought slick roads and travel disruptions to the Lehigh Valley, with the coldest days of the winter expected after the storm.