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.

A rehabilitation project on the Route 873 Lehigh Gap Bridge, which connects Washington Township, Lehigh County, and Lehigh Township, Northampton County, begins Thursday.

Severe storms will affect much of the East on Wednesday, forecasters say, with the Lehigh Valley likely to see heavy rain in the afternoon hours and through the evening rush.

The inaugural meeting of the PA Road Salt Action Working Group was held Tuesday afternoon. The group aims to reduce salt pollution as well as promote responsible road salt application practices statewide.

A multi-day severe weather event will unfold as a strong storm system marches from the Central Plains to the Great Lakes on Monday and Tuesday before targeting the Lehigh Valley on Wednesday.

Brad Klein and Marty McGuire look at the eight planets in our solar system, and discuss what it takes to see them in the night sky.

Eric Mintel recently led an paranormal investigation at Miller Symphony Hall. It comes right before the second Bucks ParaCon, set for March 8.

Allentown received a $100,000 grant from Bloomberg Philanthropies to continue funding youth-led climate action projects this year.

While initial testing came back negative, a necropsy found the mature mother eagle died of bird flu. Pocono wildlife officials say it's the fourth bird that came back negative for avian flu during field testing, but was later confirmed to have the viral infection.

The LVPC Environment Committee on Tuesday approved a proposal by Lower Nazareth Township to modify its Agricultural Security Area program. The ASA program lets farmland owners enroll their properties in an ASA, which then is managed by a municipality.

There's been another attempt to repeal the Environmental Protection Agency's Lead and Copper Rule Improvements.

This week, Brad Klein and Marty McGuire take a look at the lunar phenomenon known as ‘earthshine.’

Emmaus Borough Council awarded the contracts earlier this week. The project focuses on two of the borough’s wells, including one that’s been offline since PFAS contamination was discovered.