Environment & Science

On Dec. 21 at approximately 10:27 p.m. EST, we’ll begin the winter solstice north of the equator. Will the change of season finally bring snow?

It might seem counterintuitive, but harvesting holiday trees year after year is better for the environment than using an artificial one, experts said, especially amid the proliferation of plastic piling up in landfills.

Officials on Wednesday reviewed several preliminary transportation policy strategies for the Valley's priority climate action plan. The plan’s focus is to reduce carbon emissions from transportation, a significant driver of greenhouse gas emissions across the region.

More than three dozen projects in the Valley were awarded grants, receiving about 7% of the total funding awarded. Statewide, $335 million in grants were announced Wednesday.

"Turn around, don't drown", warned a spokesperson for PennDOT. More than once today, people in the Valley have had to be rescued from their cars after driving into water that shut their engines off, trapping the drivers.

Some parts of the Lehigh Valley saw more than four inches of rain from Sunday into Monday, with precipitation still falling.

Schools are closing early and a large swath of the region is under a flood warning until at least 3:15 p.m. as the storm system that inundated the area overnight moves north.

The winter, or December, solstice takes place this year between sundown on Dec. 21 and sunrise Dec. 22

The Lehigh Valley Planning Commission at 11 a.m. on Wednesday is holding a meeting at its Allentown office to brainstorm and prioritize ways to decarbonize transportation across the region. Decarbonization is the process of reducing or eliminating carbon dioxide emissions.

Many spots could receive 2 to 3 inches of rain, forecasters warn, with areas of flooding possible Sunday night as another coastal storm targets the region.

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.