Environment & Science

This week on Watching the Skies, learn how to spot several stars and bright celestial objects in the sky like Mars and Jupiter.

Almost 100 migrating birds of prey have been recorded since April 1, when this year’s count started. Officials at the sanctuary, as well as volunteers, have monitored the spring raptor migration since the 1960s.

Two Northampton County farms were the latest to be included in Pennsylvania’s Farmland Preservation Program. The program aims to ward off development and protect open spaces.

Crayola officials, along with PennEnvironment Research & Policy Center and local legislators, held an informational session Thursday on the company’s 3.53 megawatt solar farm.

The Delaware & Lehigh National Heritage Corridor this month launched the Quest for the Golden Grabber. In its second year, it's an effort to engage community members in a friendly competition while cleaning litter from the trail.

There were 15 Diamond Clover awardees this year, including two from Lehigh County. The award is the highest in Pennsylvania's 4-H program.

Northampton County will use a mix of local money and a federal grant to buy 43 acres of undeveloped land in Stockertown, officials announced. Officials did not identify the parcel they intend to buy.

The African penguin colony, off exhibit since early January because of bird flu, is back at the Lehigh Valley Zoo.

This week, a preview of confirmation hearings scheduled for Wednesday to confirm a new head for NASA. The nominee is well known to the Lehigh Valley.

City officials were ready in February to award a contract for a tree inventory in Allentown, but uncertainties caused by an order from President Donald Trump's administration forced them to pause that plan.

Community leaders gathered to walk around — literally — and brainstorm ways to make things safer for those who don't drive. The effort will last into the fall and involves several communities in Lehigh and Northampton counties.

The Lehigh Valley is locked in a prolonged period of chilly and unsettled weather, and forecasters say a coastal storm could bring significant and much-needed rain for the weekend.

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.

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.