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.

While parts of the Lehigh Valley were able to get a glimpse of the Northern Lights over the weekend, weather conditions kept many from being able to enjoy the show. Now, the solar storm the pushed the aurora to the lower latitudes is waning.

WLVR’s Brad Klein reviews the week’s astronomical highlights with Bethlehem’s ‘Backyard Astronomy Guy,’ Marty McGuire. This week it's all about the star Regulus, which is part of the Leo constellation.

Christopher Sipos remembers his late-grandmother's love of birds but was pleasantly surprised to find her collection of antique baking soda trading cards that feature the feathered beauties.

Theis/Cornfeld Recycling Center in Bethlehem accepts recyclables not only from city residents, but the general public, too. There, residents can see how the process works, first-hand.

A handful of organic farms across the Lehigh Valley are welcoming residents and visitors this weekend to help their own gardens get growing.

State Sen. Lisa Boscola, D-Lehigh/Northampton, sponsored the bill. Any money collected will go toward bald and golden eagle conservation efforts.

Easton City Council heard presentations for improvements intended for Vanderveer and Centennial Parks at their Wednesday meeting, and while the refreshed spaces were well received, the question of cost is still a concern.

Showers and storms entering the region early Wednesday could produce gusty winds and heavier rainfall, the National Weather Service said. But clouds will clear as temperatures soar by the afternoon.

More than a dozen wild birds in Pennsylvania have so far been confirmed to have the strain of highly pathogenic avian influenza, or HPAI. The threat to humans is low.

In the April update for Lehigh Valley Breathes, a regionwide effort to monitor air quality amid emissions from trucking and warehousing, officials explained new EPA soot standards and how they could impact the project.

The Lehigh Gap Nature Center took to social media Monday to alert visitors and hikers to "use caution" with pets after dog treats were found with fish hooks planted inside them.

The spring migration count at Hawk Mountain began last month. One-day peak counts reach more than 100 birds in mid- to late-April, with this season’s count continuing through May 15.