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.

South Whitehall Township hosted a wrap-up meeting for "South Whitehall Landscapes," a plan guiding preservation efforts in the township.

Members of the Lehigh Valley Planning Commission's Comprehensive Planning Committee voted Tuesday to advance a letter opposing the planned expansion of Bethlehem Landfill.

Kids from five schools got live demonstrations of cow milking, beekeeping, apple farming and more. Organizers say it's meant to spark interest and explain an industry that they say sometimes goes unappreciated.

A November-like chill – one that prompted frost warnings for Tuesday morning – will give way to near-record-high temperatures by week’s end, forecasters say.

The coldest night of the season so far is approaching, according to the weather forecast.

A local consortium led by the Lehigh Valley Economic Development Corp. hoped to secure a $75 million grant to boost local production of semiconductors.

Brad Klein reviews this week's astronomical highlights with Bethlehem’s "Backyard Astronomy Guy."

Students learn to identify medicinal, edible and toxic plants. They also study how some plants have impacted history for both the good and bad, through their healing, addictive, profitable or edible properties.

The Allentown Public Library hosted a discussion on native plants and pollinators on Saturday, explaining their importance and what humans can do to help these vital organisms.

Take a look at stories that ran throughout the week of which we are most proud, had a profound impact on readers or that you might want to look at again.

The Northampton County Department of Parks and Recreation on Friday held a free program for residents about the world’s only flying mammal, bats, at Louise Moore Park, 146 Country Club Road in Lower Nazareth Township.

The officials announced a statewide drought watch this July. Here are the latest updates for Lehigh, Northampton and more.