Environment & Science

If the Lehigh Valley weather forecast feels familiar, it’s because an end-of-the-week system is once again being watched closely by meteorologists.

A biologist from the Pennsylvania Game Commission visited the location of the sighting in Lower Macungie Township and determined the animal spotted was not a mountain lion.

A rare piebald deer, which has a distinctive white coat with patchy brown spots due to a pigmentation anomaly, has been seen in the Easton Cemetery. Such deer make up about 1% of the total whitetail deer population.

Brad Klein reviews the week's astronomical highlights with Bethlehem’s "Backyard Astronomy Guy."

State police say someone has photos and they are investigating the sighting of a large feline — possibly a mountain lion — in a field in Lower Macungie Township on Sunday.

More than 1,336 acres across the commonwealth were preserved. Here are the Lehigh Valley farms now safe from development.

Take a look at stories that ran throughout the week of which we are most proud, had a profound impact on readers or that you might want to look at again.

Rainy weekends have put a damper on attendance at fall festivals in the Lehigh Valley.

A potent system is still on the way to the area, the National Weather Service warned Friday, referencing a storm forecasters have been talking about for almost a week.

The initiative consists of a partnership between Northside Alive and PPL — the latter donating 500 special lightbulbs to the community.

After a raging fire on Saturday night destroyed his Center Valley barn, tractors, trucks and equipment, Leroy C. Stahler Jr. vows to rebuild and continue the Stahler family legacy of farming, said his daughter, Tracy Beers.

While monitoring continues, Lehigh Valley Breathes officials used the most recent project update to explain results from the research this spring at Lehigh University.

When all was said and done, May was the Lehigh Valley’s sixth consecutive warmer-than-normal month, with an average temperature of 63.4 degrees – or 1.4 degrees above normal. So what will summer bring?

Voyager 1 is now the furthest man-made object from Earth, having traveled to a distance of around 15 billion miles away.

During this year’s spring migration count, which runs from April 1 through mid-May, Hawk Mountain volunteers and staff tallied 1,001 birds of prey.

East Penn School District is seeking proposals for a potential solar farm near the Macungie and Shoemaker Elementary School buildings.

Northampton County Park and Recreation Division will host the Greenways Jamboree Celebration, marking their 50th anniversary, in tandem with the 20th anniversary of the Lehigh Valley Greenways Conservation Landscape Partnership and the 28th Annual Lehigh River Sojourn.

Three Lehigh Valley researchers are arguing bird-strike fatalities are much higher than we might think. They recently published a peer-reviewed study showing bird deaths from window strikes are nearly double previous estimates, and likely higher.

The colleges have formed a partnership to build and bring online a solar facility in western Kentucky. When completed, the facility will offset electricity usage at the institutions, effectively reducing greenhouse gas emissions from electricity generation to zero.

The main threat will come later Monday and Monday night with a cold front that creates the possibility of strong winds and hail – even a tornado, said meteorologist Bobby Martrich of EPAWA Weather Consulting.

Essentially a scholastic scrimmage for environmental science, the annual Envirothon combines classroom learning and outdoor activities to engage students in the environment. The state competition was held Wednesday at Camp Mt. Luther in Mifflinburg.

As residents and tourists explore the region’s many parks, bike trails and scenic overlooks — May is recognized as National Lyme Disease Awareness Month — health and environmental officials are cautioning visitors to check for ticks after their outdoor adventures.