Environment & Science

A look at NASA's latest space mission that could launch in early October.

Northampton County’s annual Household Hazardous Waste Drop-Off Event was held Saturday. More than 1,700 residents registered.

What can the Lehigh Valley expect as we head into meteorological fall? Experts have given their long-range outlooks for both temperatures and precipitation, and also weighed in on La Niña.

State officials on Thursday gathered at a Lancaster County dairy to announce the theme of the 2025 farm show. The farm show runs from Jan. 4 through Jan. 11 in Harrisburg.

The commonwealth's six-week leaf-peeping season has begun. Here's when the Lehigh Valley can expect peak colors.

The industrial and transportation sectors are responsible for the largest share of the Valley's greenhouse gas emissions. The findings will form the foundation the next project, a regional Comprehensive Climate Action Plan.

Work is underway to restore a half-mile section of the Monocacy Creek that runs through the Archibald Johnston Conservation Area. Officials aim to improve the stream’s health by restoring the natural flow.

Brad Klein reviews the week’s astronomical highlights with Bethlehem’s ‘Backyard Astronomy Guy,’ Marty McGuire. This week, they talk about the upcoming Lehigh Valley Space Fest.

Leaf-peeping season is right around the corner in the Valley, moving from north to south as temperatures drop into fall across the commonwealth. Here's why the region could see an earlier, shorter season.

The box tree moth, a highly destructive, invasive insect, was discovered for the first time in Pennsylvania, in two cemeteries in Erie County. A quarantine has been issued.

The first new building on Muhlenberg’s campus in more than a decade, the Fahy Commons for Public Engagement and Innovation, 2400 W. Chew St., has racked up three different sustainability awards and certifications.

Lehigh Valley Breathes is a Valley-wide effort to monitor air quality amid emissions from trucking and warehousing. The project is expected to run for a year.

Come Sunday, daylight saving time is out and standard time reigns once again. That means an extra hour of sleep in the morning, but sunset slated for 4:53 p.m.

Animals and insects use fallen leaves to live or find food — including birds and butterflies. Often, if leaves aren't composted, they end up in landfills. Here are some alternative ideas.

The Lehigh Valley will join a large swath of the country in sharing frost and freeze headlines this week as temperatures fall into the 20s for the first time this season.

PennEnvironment on Monday released a new report, “Lawn Care Goes Electric," ranking emissions from gas-powered lawn and garden equipment by state and county across the U.S. Here's where Lehigh and Northampton counties ranked.

The U.S. Climate Vulnerability Index was launched on Oct. 2 through a partnership between the Environmental Defense Fund and Texas A&M University. Here's where the Lehigh Valley ranks.

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

Pennsylvania is the biggest commercial producer of mushrooms in the United States. Foraging groups are popping up to find the fungus in the wild, while small farms are focusing on growing unique mushrooms.

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.

WLVR's Megan Frank talks with reporters Molly Bilinski and Stephanie Sigafoos.

The Lehigh Valley was among six climate sites in the region that either tied or established record-high temperatures Thursday, but we'll flip the script in a big way next week.