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.

Plans by Pediatric Cancer Foundation of the Lehigh Valley to construct a 1,200-square-foot addition to its existing administrative offices at 4501 Crackersport Road were approved by the South Whitehall Township Planning Commission on Thursday night.

Three farms in Lehigh County were the latest to be included in Pennsylvania’s Farmland Preservation Program. The program aims to ward off development and protect open spaces.

A system arriving Sunday night could bring a period of snow and ice to the area before a changeover to rain but “there remains considerable uncertainty with the details.”

During the 2023-24 hunting seasons, a record-breaking 261,672 pounds of venison from 6,905 deer and six elk statewide was donated through Hunters Sharing the Harvest. Find out how much was donated in the Lehigh Valley.

Part of the DCNR Community Conservation Partnerships Program, the grants support projects to develop new parks, rehabilitate existing spaces and protect vital natural habitats. A dozen Lehigh Valley projects were funded.

The Blue Mountain fire, also called the Gap Fire, on Nov. 2 erupted in Lehigh Township. The fire, which grew from 150 acres to almost 600, took seven days of fighting before it was marked 100% contained.

The rainfall is expected to be heaviest Wednesday afternoon and evening as a cold front approaches, with forecasters not ruling out some rumbles of thunder possible in the Lehigh Valley.

Lehigh Gap Nature Center’s annual autumn Bake Oven Knob Hawk Watch ended late last month, with 9,373 migrating raptors recorded. While the overall count is lower than last year, many species exceeded 2023 totals.

Planet Venus is acting as the brightest star, visible in the West after sunset. Grab your binoculars, because there's a second planet at play with lots to show.

Wilson Area School District is set to host their second Wilson Family Computer Science Night, showcasing fun and hands-on innovative tech for students up to grade eight.

Jared Isaacman, a tech billionaire who lives in the Lehigh Valley and conducted the first private spacewalk, was nominated by President-elect Donald Trump on Wednesday to lead NASA.

The Unidos Foundation was one of 12 community organizations across Pennsylvania to receive the grant. Money is earmarked to ensure that historically marginalized and underserved communities have access to information and resources about environmental protection.