Environment & Science

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.

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.

A buildup of summerlike heat could set the stage for stormy weather in the Lehigh Valley and surrounding areas over the next few days, forecasters warn.

Officials at Waste Management’s Grand Central Landfill Education Center on Monday held an education celebration. Visitors got to see eight of the center's hives and taste-test honey.

On May 23, the orange-red star will appear to be very close to the full moon as it rises in the southeast. Seen from the Lehigh Valley, after the Sun sets, Antares will appear very close to the rising Moon.

Inspired by battery fires in the Lehigh Valley and across the state, the bill would put the onus on manufacturers to provide safe recycling options for lithium ion batteries, as well as launch an education campaign for residents.

Lehigh Valley Transportation Study officials laid out the next steps to getting the process started for resuming passenger rail service in the Lehigh Valley — if that's what they choose to do.

The Da Vinci Science Center in Allentown is reopening next week and showing off a new 67,000-square-foot facility that includes cutting-edge technology and immersive experiences.

A program at Rodale Institute aims to develop a diverse pipeline of highly skilled professionals to serve the certified organic industry throughout the state. Pennsylvania is third in the nation for organic commodity sales.

East Stroudsburg University’s resident astronomer is leading a stargazing program at Louise W. Moore Park. It's is free and open to all ages 6 and up, but registration is required.

The parcel was manifested as “pieces of silk to be used in works." It was seized at Philadelphia International Airport and headed for northeast Pennsylvania.

While parts of the Lehigh Valley were able to get a glimpse of the Northern Lights over the weekend, weather conditions kept many from being able to enjoy the show. Now, the solar storm the pushed the aurora to the lower latitudes is waning.

WLVR’s Brad Klein reviews the week’s astronomical highlights with Bethlehem’s ‘Backyard Astronomy Guy,’ Marty McGuire. This week it's all about the star Regulus, which is part of the Leo constellation.

Christopher Sipos remembers his late-grandmother's love of birds but was pleasantly surprised to find her collection of antique baking soda trading cards that feature the feathered beauties.