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.

Earth's moon will be full on Sunday night, but what does the other side look like at that time and why?

What started as an idea has blossomed into a bustling business. Now, husband-and-wife duo Chris and Sheri Anthony are sharing big-league aspirations for their little farm

For almost a century, hikers have trekked the Appalachian Trail, the world’s longest hiking-only footpath. A thru-hiker documenting her trek on social media recently stopped in the Lehigh Valley.

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.

The National Weather Service posted a flood watch starting at 6 a.m. Friday for the Philadelphia region and its suburbs.

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.

The National Weather Service expanded an excessive heat warning into the Lehigh Valley on Wednesday, calling for dangerously hot conditions with heat index values up to 105 degrees. A severe weather threat will follow.

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.

As of Tuesday, the Lehigh Valley was suffocating in its thirteenth day of 90-plus temperatures this summer, well on the way to surpassing the average of 14.42 days in the 90s for records that date back to 1912.