Environment & Science

Several Lehigh Valley schools are closing Tuesday because of the weather forecast.

Early Monday, the National Weather Service issued a winter storm warning in effect for the Lehigh Valley for 7 to 10 inches of snow, with locally higher amounts over the higher elevations.

One area of potential concern at the Allentown State Hospital had been the presence of dioxins in the soil. Dioxins are a group of toxic chemical compounds that take a long time to break down in the environment, and can cause health problems in people.

Betelgeuse is the red supergiant star at Orion’s ‘right shoulder.’

Lehigh and Northampton counties are under a winter storm watch in effect from 12 a.m. to 6 p.m. Tuesday, with 4 to 8 inches of heavy, wet snow possible.

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.

It’s a special year for cicadas, insects known for their high-pitched mating songs. Two adjacent broods are expected to co-emerge for the first time in 221 years. Here's the next time they emerge in the Valley.

Northern flying squirrels are endangered, and the Pa. Game Commission works to improve their habitat. A group went searching for the species in the Poconos.

Stanley cups have skyrocketed in popularity, following other trends in reusable drinkware. But, fads like these can encourage overconsumption, experts said.

Right now, the overall pattern isn’t very conducive to significant snowfall for the Lehigh Valley and the Mid-Atlantic next week. Here's what will make or break the event for snow lovers.

The annual series, starting later this month and running on select Thursdays through March, focuses on engaging residents about the environment and conservation efforts.

Easton Outdoor Company hosted the launch of the Elevate program, which aims to help outdoor activity-oriented businesses connect and thrive, on Monday, Oct. 29.

Firefighters battling a blaze on Blue Mountain expressed gratitude to the community for an abundance of donations — so many that they have advised people to hold onto their contributions as they have reached capacity for storage.

The National Weather Service said there will be “no relief” to ongoing drought and fire concerns, with record-challenging temperatures expected by midweek across the Lehigh Valley and the rest of the mid-Atlantic region.

Celebrating a year of space facts and fun sightings to look for.

State environmental officials are calling on residents to nominate their favorite waterway to be 2025 River of the Year. The effort aims to elevate public awareness of specific rivers and recognize important conservation needs and achievements.

Lehigh and Northampton counties are in a drought watch due to persistently dry weather. The Lehigh County Authority is asking residents to start conserving.

A red flag warning is issued when the risk of fire danger is highest. The warning is in effect until 7 p.m. Friday.

The U.S. Drought Monitor on Thursday showed all of the Lehigh Valley in either “moderate” or “severe” drought.

At a hearing at Nitschmann Middle School in Bethlehem, concerned residents voiced worries about what could happen in the case of a train derailment of hazardous material.

This week on Watching the Skies, WLVR's Brad Klein and Bethlehem's Backyard Astronomy Guy Marty McGuire talk about the upcoming new moon, just in time for Halloween.

Lehigh and Northampton counties and surrounding areas ripe for easy-starting potential fire situations.