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.

Maybe you woke up this morning wondering, "What is escovitch fish?" (Maybe you didn't?) We answer that and more in this daily list of useful information chosen to inform and enhance your day.

The first frost is possible in the Lehigh Valley this weekend, and October is trending colder than average, meteorologists say. What will it feel like by Halloween?

Green Building United held a sustainable warehouse forum at Lafayette College, discussing the ways the Lehigh Valley's economy can grow while increasing sustainability.

The Lehigh watershed has among the highest amounts of chemicals linked to reproductive health issues and cancer released into it in the country, according to anenvironmental advocacy group.

The club is hoping to raise the profile of whitewater racing across the U.S.

Verde, spotlighting 'clean and beautiful products,' opened last month at 267 E. Broad St.

Residents in affected areas are being asked to voluntarily conserve water.

Founded in 2017, the company develops semiconductors for several applications.

Conservationists tag around 35 Monarchs each year. They used to tag hundreds.

Tracking 10 miles makes you eligible for the ticket drawing for next year's headliner shows.

Hazardous trees are cut down due to old age and illness.

An expert says the tragedy illustrates the dangers of handling exotic animals.