Environment & Science

From low 80s to our first frost? Quiet weather and warm temperatures will dominate the Lehigh Valley forecast this week, but big changes are ahead.

In its third year, and hosted by the state’s GreenGov Council and Penn State Sustainability, Commonwealth Sustainability Week features daily, free webinars focused on climate change and sustainability efforts statewide.

As temperatures climb back into the 80s this week, PennDOT will begin to host job fairs in Lehigh and Northampton counties to fill a variety of positions for the winter season.

Lehigh County and the state Game Commission in 2007 partnered to open up the North Range for bowhunters to combat overpopulation, deer and invasive plants.

Would critical weather information come to a halt during the looming federal government shutdown?

The results of a 2019 survey, published last week, shows a majority of Pennsylvania's streams are contaminated with PFAS, also called "forever chemicals." Five streams were tested in the Valley.

WLVR's Megan Frank talks with digital content producer Kat Dickey and managing producer Stephanie Sigafoos.

The commonwealth's six-week leaf-peeping season has begun. Here's when in the Lehigh Valley can expect peak colors, as well as some of the best places to see fall foliage.

Lehigh Valley Breathes is a Valley-wide effort to monitor air quality amid emissions from trucking and warehousing. The project is expected to run for a year.

Remember Ophelia? The tropical system that recently brought days of dreary weather to the Lehigh Valley is back. Sort of.

On Tuesday afternoon, Lehigh Valley International Airport recorded temperatures that tied the record heat set in Allentown over a century ago on June 24.

In addition to the Kline’s Island Sewer System, or KISS, regional wastewater plan, committee members advanced the Lehigh Valley Hazard Mitigation Plan to the full commission.

With the Lehigh Valley under an extreme heat warning through Wednesday, area doctors are urging residents to keep hydrated and stay cool.

No climate site in the region reached 100 degrees on Monday, but the suffocating heat and humidity was still record-setting across the Mid-Atlantic region.

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.

Allentown hasn't had a 100-degree day since July 2011. The forecast high on Tuesday is now 100 degrees.

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.

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.