Environment & Science

A tropical system that was officially named Ophelia on Friday will drench the East Coast this weekend, including the Lehigh Valley, officials said.

The free festival runs from 10 a.m. to 3 p.m. at the center. The schedule includes nature walks, live animal presentations, monarch butterfly tagging, music and more.

Northampton County and its conservation district appear poised to split after a County Council committee meeting Wednesday showed deep distrust between them

Lehigh Valley Breathes, a Valley-wide effort, aims to measure air quality. From the collected data, officials said they will make recommendations for improvements.

It’s becoming increasingly probable that a subtropical storm develops off the Southeast coast this weekend, forecasters say, but expected impacts to the Lehigh Valley remain in question.

It took less than two weeks to fix operational issues at Kline’s Island Wastewater Treatment Plant on Union Street. Officials described the sewer odor as an ‘"earthy" or "rotten egg" smell but said it is not harmful to human health.

The average price for a gallon of gas in the Lehigh Valley was $3.87 this week. That's below the Pennsylvania average of $3.92 per gallon but up slightly more than 11 cents from last week, according to AAA.

The letter-writing campaign began Sept. 9. It is unclear how many emails city councilmembers have so far received.

Released Tuesday, results from Muhlenberg College Institute of Public Opinion’s National Surveys on Energy and the Environment show Americans want to prevent future global warming, and also believe adaptation to climate change will require major lifestyle changes.

The biggest differences between tropical and subtropical storms are in the way they form and in the broad impacts. A subtropical system could target the region this weekend.

Lehigh Township volunteer firefighters shared the obstacles they faced fighting a 600-acre fire that erupted on Blue Mountain. Almost a month later, it's still not technically out.

A NASA robotic mission that is exploring the inner reaches of our solar system will literally ‘touch the Sun’ on Christmas Eve.

The Lehigh Valley is in a 9-inch rain shortfall. The prolonged dry spell has raised concerns about the longevity of fresh-cut Christmas trees this year. And, it's thinning out the trees planted this year to grow for future holiday seasons.

The township's Shade Tree Commission was awarded 15 trees from a statewide nonprofit dedicated to improving the tree canopy in urban areas.

Listings will include risks for flood, wildfire, wind, heat and air quality, as well as interactive maps and insurance requirements.

Highs in the 30s and lows mainly in the 20s are forecast for the weekend and well into next week, which could be jarring on the heels of one our warmest Novembers on record.

With no quick cure for the fast-moving, but slow-to-kill disease, experts said American beech trees could be functionally extinct throughout the state within 10 to 15 years.

Guidance “continues to trend towards a warmer solution for Thursday’s storm,” the National Weather Service said, meaning it's going to be a wet, not white, Thanksgiving.

Said Edward Boscola, Bethlehem water and sewer resources director: “It’s important for everybody to know that the lead levels in the city’s drinking water system are very low."

May, an immature female broad-winged hawk, migrated through Hurricane Milton in Florida last month. The hurricane made landfall Oct. 9 near Siesta Key, Fla., as a devastating Category 3 storm.

Forecasters have turned their attention to the end of next week, saying most model guidance indicates a storm system developing and affecting the East Coast — including the mid-Atlantic —around Thanksgiving Day and into Black Friday.

Spica is the brightest star in the constellation Virgo. At about 5:35 a.m. Wednesday, Nov. 27, grab your binoculars and watch it disappear.