Environment & Science

People who stayed up late Sunday night were treated to an incredible display of the northern lights, which were visible in the Lehigh Valley.

The National Weather Service issued a severe thunderstorm watch for Lehigh, Northampton, Carbon, Monroe and several other eastern Pennsylvania counties.

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

Mayors in Allentown, Bethlehem and Easton are coming together to fight against worsening climate change and strengthen sustainability across the region. Two of the three cities have their own climate action plans.

There are plenty of ways to celebrate Earth Day on Saturday, April 22, in the Lehigh Valley.

The first new building on Muhlenberg’s campus in more than a decade, the Fahy Commons for Public Engagement and Innovation, 2400 W. Chew St., opened in January. The 20,000-square-foot, three-floor building cost $13.2 million and is one of the first buildings in the world expected to achieve a rigorous sustainability certification for buildings that give more than they take.

A few strong to severe thunderstorms are possible in the region on Saturday, with the main threat being damaging wind gusts, according to the National Weather Service.

Puerto Rico's electrical grid has been devastated by hurricanes due to worsening climate change. Ruth Santiago, a Bethlehem native, has a solution.

Swarms of non-biting midge flies last week were spotted in Bethlehem. LehighValleyNews.com spoke with Marten Edwards, chair of Muhlenberg College's biology department, to find out more about the insects.

Two presentations were given during the city Environmental Advisory Council’s Thursday meeting.

Through Easton Eco-Swap, residents’ food scraps are collected and turned into nutrient-rich compost in lieu of being sent to area landfills.

The 110th PA Farm Show opens this weekend in Harrisburg. While this year's theme is “Growing a Nation,” officials are also spotlighting the crucial role of women in agriculture.

The Dorothy Rider Pool Wildlife Sanctuary still is closed to the public after an April bridge collapse. Officials said a new, permanent bridge is slated to be installed in spring.

This week on Watching the Skies, Brad Klein and Marty McGuire talk about Jupiter: shining its brightest this week.

Co-hosted by a father-daughter duo, the show is focused on renovation, but the pair said they also wanted to create family-friendly entertainment while working to preserve existing farms from development.

Of the thousands of stories covered and told in 2025, our staff picked some of their favorites. They included a bald eagle looking for love in the Hellertown area and an $11 million "sky dome" planned for Easton.

In 2025, LehighValleyNews.com readers gravitated toward stories that reflected mounting economic pressure, public safety concerns, environmental uncertainty and moments of sharp civic tension.

“If it does come down in any area, which most areas will see at least some snow showers from it, it is going to stick everywhere," one local forecaster said.

Weather was the main culprit for thousands of power outages that spanned the region early Tuesday.

Beginning at 10 a.m. Tuesday, Jan. 6, 2026, the office will transition away from the traditional, chronological structure of the area forecast discussion.

This week, a suggestion for how to enjoy the view from the International Space Station, without the expense and arduous training needed to become an astronaut.