Environment & Science

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.

For the first time, the Lehigh River was included on American Rivers' list of most endangered rivers in the country. Environmentalists point to a proliferation of warehouses and distribution centers for putting the river at risk.

“Twitter is now limiting automated tweets and as a result this account can no longer post all watches/warnings/advisories as they are issued,” a tweet from NWS Mount Holly said Saturday morning. Things seemingly changed Saturday night.

Like the rest of the country, Pennsylvania has a litter problem. While state and local officials work to mitigate the issue, residents are rolling up their sleeves and doing the work themselves.

Part of Climate Action Campaign’s Extreme Weather Emergency Tour, the event centered on how extreme weather, exacerbated by climate change, has deadly consequences.

Easton City Council approved a measure to partner with Solsmart, an organization which helps facilitate the growth of solar energy communities across the country, at their Wednesday meeting.

While The Dorothy Rider Pool Wildlife Sanctuary is closed to the public after an April bridge collapse, officials had to get inventive — and adventurous — for camp to happen this summer.

The Da Vinci Science Center and Friends of the Allentown Parks are partnering to make science more accessible to Allentown kids and open their eyes to what's around them.

Lehigh Valley Planning Commission is opposed to a request by Waste Management to amend the Plainfield Township zoning ordinance regarding the sanitary landfill in the township.

Lehigh has been hosting SSP’s International’s Summer Science Program this summer. During the five-week course, students get hands-on experience completing college-level research while getting a feel for campus life.

Allentown was the only Lehigh Valley city to be awarded funding through this round of the Alternative Fuel Incentive Grant. The program aims to improve air quality in communities through cleaner fuel transportation infrastructure

The National Weather Service said the next couple of days will feature “the most pleasant weather of the summer" in the Lehigh Valley and surrounding areas.

This week, a look at the late Vera C. Rubin, an American astronomer whose name is now associated with one of the most powerful observatories on Earth.

An annual pest across Pennsylvania, corn earworms can cause damage to both sweet and field corn, cutting into farmers’ profits and home-gardeners’ yields. They've been reported in the Lehigh Valley.

Aryash Shyam, a rising eighth-grader at Lehigh Valley Academy Regional Charter School, created the GreenBeam to kill weeds with a laser. The project got him named the Pennsylvania State Merit Winner in the 2025 3M Young Scientist Challenge.

Hologram Zoo Lehigh Valley, only the second such attraction in the country, opened its doors to an enthusiastic crowd at Easton's City Hall on Friday.