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.

After Lafayette College cleared more than 40 trees for a $1.2 million walkway without city approval, no trees will be replanted on the hillside where they were removed, the city forester said. Instead, several dozen trees were planted across campus and in Easton.

An agreement between Bethlehem Landfill and the people suing them, reached Tuesday, limits the landfill’s work to expand while a series of lawsuits aimed at stopping the expansion go forward.

"This is something in winter a few months from now … this is a Miller B system [or nor’easter]. The difference is, temperatures are too warm for snow," EPAWA meteorologist Bobby Martrich said.

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

Have you been following the news in the Lehigh Valley this week? Find out how many of these questions about happenings and news around the Lehigh Valley you can answer correctly.

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.

Becky Bradley, executive director of the Lehigh Valley Planning Commission, was one of three speakers in a Friday morning webinar focused on local climate action planning.

WLVR's Megan Frank talks with reporter Phil Gianficaro.

Bethlehem is earmarked to get a $500,000 infusion from the state to close the gap in the South Bethlehem Greenway. It's one of eight projects in the Lehigh Valley being funded.

Former space shuttle astronaut Terry Hart, of Lower Saucon Township, believes the psychological impact of spending more than a year in space on a mission to Mars is impossible to predict.

“The first major synoptic system of the season will impact the region beginning Friday and over the weekend,” the National Weather Service said in its latest forecast discussion.

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