Environment & Science

PPL said Wednesday it has hundreds of workers “ready to work around the clock to help get customers back online as safely and efficiently as we can." There were thousands in the dark early Thursday.

The chemical odor at Sharp Packaging Solutions that sent 54 employees to the hospital on Friday remains a mystery.

A wind advisory is in effect from 4 p.m. Wednesday until 4 a.m. Thursday, with northwest winds 20 to 30 mph and gusts of 40 to 50 mph expected. PPL said its ready to respond.

It's going to be a wild and windy few days for the Lehigh Valley and the rest of the Mid-Atlantic region, forecasters say, with temperatures set to soar before a strong cold front arrives.

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

Temperatures will be a roller coaster this week, with Sunday's seasonably cool air giving way to a few days of spring-like temperatures but with a chance of rain.

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.

Even with temperatures set to surge next week, experts say Mid-March could see a pool of cold air spilling into the Lower 48, potentially unleashing cold, stormy conditions.

A bright meteor raced across the skies around 6:50 p.m. Wednesday, with people near the Lehigh Valley reporting the sighting.

More than 100 businesses, officials, organizations and environmental advocates statewide — including two from the Lehigh Valley — signed a letter to Shapiro arguing his economic development plan, “Pennsylvania Gets It Done,” fails to prioritize sustainable industries and instead doubles down on fossil fuels.

Allentown's EAC accomplished a lot in the past year, including successfully lobbying for two pieces of legislation and supporting a sustainability coordinator for the second year.

Excelsior Farms was one of nine farms across the state recognized at the 109th PA Farm Show that have been in the same family for 100 years or more.

In the current night sky, Venus and Mars both happen to be clear and visible to the naked eye.

Join Megan Frank at 9:30 a.m. and 6:30 p.m. every Friday for Insights with LehighValleyNews.com on WLVR. This week, Brittany Sweeney takes her place with reporter Phil Gianficaro and social media specialist Grace Oddo.

Delta flights to and from Atlanta were among those impacted at Lehigh Valley International Airport on Friday.

There's plenty to see, and eat, at the PA Farm Show in Harrisburg. Check out our reviews.

Just like Monday, which offered little in terms of intense snowfall, Saturday’s wintry weather could essentially be a “non-event” for much of the Lehigh Valley and the rest of the region, the National Weather Service said.

The 109th PA Farm Show is in full swing and continues through Saturday in Harrisburg. Find out how Lehigh Valley competitors placed in the Family Living and Commodities competitions.

The Lehigh Valley Zoo’s barnyard birds, waterfowl and penguins are off exhibit. A recent suspected bird flu outbreak in wild geese is to blame.

The weeklong 109th PA Farm Show is well underway. More than a half-dozen Lehigh County 4-H’ers already have competed in various categories, from swine and sheep to breeding and market beef.

The latest snow storm has shifted south, meaning the area should see a few inches of snow from early Sunday morning into Monday. Surrounding areas are expected to experience hazardous travel conditions.

The U.S. Fish and Wildlife Service is collecting public input about listing the monarch butterfly under the Endangered Species Act. Officials estimate the eastern migratory population has declined by approximately 80%.