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.

Sixty-eight state parks across Pennsylvania now offer free menstrual products. It's part of a broader initiative to make public spaces across the commonwealth more accessible and supportive for all.

Technology is a major component in PPL Electric Utilities' ability to provide reliable service to its 1,700 customers in Eastern and Central Pennsylvania.

Essentially a scholastic scrimmage for environmental science, the annual Envirothon combines classroom learning and outdoor activities to engage students in the environment. Find out where Lehigh Valley teams placed.

A two-building, 20-unit apartment complex along Quarry Road received unanimous preliminary final approval from the North Whitehall Township Planning Commission on Tuesday night.

The program will offer an associate's degree, certificate or three-course diploma.

Top-prize-winning projects include plans for an outdoor classroom at Trexler Middle School, several garden spaces and a free bike tune-up day.

Keystone Cement Co.'s hazardous waste permit has been renewed by the state Department of Environmental Protection. Part of the company's plan is to change how it transports waste, from trucks to rail.

Bethlehem and Allentown have achieved gold status through Bird Town Pennsylvania. The program aims to create a healthier, more sustainable environment for birds, as well as other wildlife and residents.

A large cicada emergence is underway across the eastern United States. Find out where they're expected in the commonwealth.

This week on Watching the Skies, WLVR's Brad Klein and Bethlehem's Backyard Astronomy Guy, Marty McGuire talk about the planet Venus and its role as the "morning star."

The state Department of Environmental Protection announced $1 million in grants to promote environmental education and stewardship across the state. Four Lehigh Valley programs received funding.

The LVPC on Thursday hosted a workshop, “Planning + Pizza: Deploying Electric Vehicle Infrastructure,” aiming to collect feedback about where best to deploy EV infrastructure throughout the region.