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.

When Pa. Act 101 was passed in 1988 it did not anticipate the 'throw-away culture' we have now.

It's still ok to catch them in a jar if you let them go after you enjoy the magic of watching them..

You don't have to leave town to enjoy nature.

Local sellers will include Whole Foods, Giant and Amazon Fresh.

EAST STROUDSBURG, Pa. - A new $1 million study is working to curb Pennsylvania’s tick population, with a focus on parts of the Lehigh Valley and the…

Bowery Farming could hold a key to the future of food security.

Allergies are worse here because the surrounding mountains tend to hold the allergens in.

Pa. DEP will monitor 1,700 miles of nearly 50 waterways across the state, including the Delaware and Lehigh rivers through September.

Most surveyed want to fix climate change rather than adapt to it.

Shop now if you're looking for electricity at a lower cost.

In a 260-year-old city, much of the infrastructure was built in another century, Mayor Matt Tuerk says.

Soltech Solutions, a Bethlehem start-up, helps 'bring nature indoors.'