Environment & Science

Lehigh Valley Space Fest, brought to the region by two NASA Solar System Ambassadors, was held May 6-7, 2023 at Paxinosa Elementary School in Easton.

A team of Emmaus High School students placed first in the Lehigh County Conservation District’s Envirothon the last week of April.

No, those weren’t UFOs spotted over the Lehigh Valley on Thursday night. Starlink internet satellites orbiting Earth were visible to skywatchers in the area.

WLVR’s Brad Klein speaks with Environment & Science Reporter, Molly Bilinski about her work reporting on the Lehigh Gap Nature Center in Slatington.

Easton's branch of the American Association of University Women is holding its annual Girls Recognition Night Thursday at the Nurture Nature Center. Seventh graders from Easton, Wilson, Nazareth and Bangor area middle schools will be honored.

American shad populations, once plentiful in the Lehigh River, have dwindled. Officials and fishermen point to ineffective fish ladders at the Easton and Chain dams.

Neither snow, nor sleet, nor hail. There's frozen precipitation in the Lehigh Valley forecast on Wednesday — it's called graupel.

The Easton Environmental Advisory Council on Tuesday unanimously voted to send a letter to city council and Lafayette College outlining their concerns after more than 40 trees were cleared.

Borough council on Monday night heard a presentation on options to mitigate PFAS in its residential drinking supply. None of the proposals are cheap.

On Sunday, a counterclockwise-spinning low pressure system was moving up the coast. The Lehigh Valley was on the western side of the low, which meant heavy rainfall.

As of Monday afternoon, mile markers 94.2-97.13 of the D&L Trail in East Penn Township remain closed because of a sinkhole.

The state Department of Environmental Protection will hold a public hearing from 6 to 9:30 p.m. Oct. 28 in Bethlehem to take public testimony about Keystone Cement Co.’s hazardous waste permit renewal application.

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.