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.

The mayor and other officials defined some broad goals and initiatives including continuing to purchase 100% renewable electricity for all municipal operations,

Many who came to SteelStacks in Bethlehem found their roots in gardening during the pandemic.

Air quality in the Lehigh Valley got a 'C' grade for in 2021, up from a 'D' the year before.

The center will feature an exhibit of live otters and a 3-pond habitat.

Observers are expecting legal challenges to Pa.'s participation in the Regional Greenhouse Gas Initiative.

The winning Bangor team will go on to compete in a statewide competition next month.

Cynerio says the flaws could have allowed hackers to control the robots, open locked doors and watch patients.

Because the state isn't complying with its plan, the EPA will redirect money and step up its inspections.

Virtual public hearings on the new rules are set to begin this week.

Two years after the start of the pandemic, they're ready for a full return of visitors.

A House committee approved legislation that allows more gas drilling and urges new pipelines.

The cost of fertilizer is up as much as 300% from last year.