Environment & Science

The National Weather Service has issued a heat advisory and excessive heat watch for the Lehigh Valley and southeastern Pennsylvania. The heat advisory will be in effect from Sunday into Monday. Then the temperature really turns up, with heat indexes in triple digits.

The position, budgeted for one year after the annual process turned contentious, focuses on creating and facilitating sustainability initiatives while capturing grant funding to cover the cost of related projects.

The start of Lehigh Gap Nature Center’s annual hawk watch is just over a month out, and preparations are well underway. A tradition in its 64th year, volunteers count birds of prey as they migrate along the raptor "superhighway" in the Lehigh Valley’s backyard.

Funding was awarded through the Lehigh Valley Greenways Mini Grant Program. The program aims to protect and promote natural resources through the implementation of ready-to-go, single-year projects.

With other communities around the state adopting bans on plastic bags, Lower Saucon could be on its way to something similar. if approved, it would involve a transition process to show shoppers the bigger picture and give time for businesses to properly offload plastic bags on hand.

Allentown and Easton have been paired with an engineering company to reduce energy costs and greenhouse gas emissions. It's Allentown's first time, but Easton's second, in the program.

Environmentalists say the Lehigh River is the cleanest its been in 175 years. A river snorkeling program at Lehigh Gap Nature Centers encourages residents to explore their local waterways and track river health.

This week Watching the Skies explores the ice giant, Uranus.

Another heat advisory has made its way to the Lehigh Valley, accompanied by an air quality alert. While temperatures aren't expected to be as high as the last heat wave, the heat index could still hit triple-digits Monday and Tuesday.

Cars were running and appeared ready to roll Saturday morning at the site of Friday's multi-car derailment.

The Delaware River was chosen as the commonwealth’s River of the Year. It was celebrated Wednesday with a festival.

With temperatures in the low 90s and heat indices spikes toward 100, showers and thunderstorms are expected in the area by early evening.

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.

Severe storms, dangerous heat and rising humidity are in the forecast for the Lehigh Valley. Here's what to expect this week and into next.

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.

As the summer solstice arrives this week, the long-range outlook depicts a pattern shift that will go from seasonal to sizzler in a hurry, forecasters warn.

Night at the Drive-In: On Tuesday, June 17, Shankweiler's will host Brad Klein and Marty McGuire for Watching the Skies' first live event. And they will screen (also for the first time) a presentation by Bethlehem’s "Backyard Astronomer" about his favorite planet, Mars.

The Lehigh Valley has endured nearly non-stop weekend rain since April, marking one of the region’s wettest springs. Despite high rainfall totals, flooding hasn't been a concern.

A stalled front could bring rain, clouds, and cooler temperatures to the Lehigh Valley this weekend, impacting major events like Allentown’s Blues, Brews & Barbeque and Bethlehem’s Juneteenth celebration.