Environment & Science

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.

LANTA and UGI Energy Services have signed a three-year deal that will provide the transportation authority with compressed natural gas collected from landfills in eastern Pennsylvania.

It is the second time the township has been awarded trees through TreePennsylvania’s Bare Root Tree grant program. The statewide nonprofit supports urban and community forestry to increase tree coverage.

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.

Flooding from Hurricane Ida put the Saucon Creek retaining wall and nearby park pavilions out of commission in 2021. This year marks the first since then that the shelters will be up for rent again.

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.