Environment & Science

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.

A multi-day severe weather event will unfold as a strong storm system marches from the Central Plains to the Great Lakes on Monday and Tuesday before targeting the Lehigh Valley on Wednesday.

Brad Klein and Marty McGuire look at the eight planets in our solar system, and discuss what it takes to see them in the night sky.

Eric Mintel recently led an paranormal investigation at Miller Symphony Hall. It comes right before the second Bucks ParaCon, set for March 8.

Allentown received a $100,000 grant from Bloomberg Philanthropies to continue funding youth-led climate action projects this year.

While initial testing came back negative, a necropsy found the mature mother eagle died of bird flu. Pocono wildlife officials say it's the fourth bird that came back negative for avian flu during field testing, but was later confirmed to have the viral infection.

The LVPC Environment Committee on Tuesday approved a proposal by Lower Nazareth Township to modify its Agricultural Security Area program. The ASA program lets farmland owners enroll their properties in an ASA, which then is managed by a municipality.

There's been another attempt to repeal the Environmental Protection Agency's Lead and Copper Rule Improvements.

This week, Brad Klein and Marty McGuire take a look at the lunar phenomenon known as ‘earthshine.’

Emmaus Borough Council awarded the contracts earlier this week. The project focuses on two of the borough’s wells, including one that’s been offline since PFAS contamination was discovered.

Thousands of the Lehigh Valley's wild and domestic birds have been infected with avian flu. However, risk to songbirds remains low.

There have been dozens of claims brought against B. Braun alleging the ethylene oxide emissions from company facilities contributed to cancer cases in nearby residents and employees.

Bethlehem Twp. Commissioners voted in favor of an ordinance that would legally allow for existing structures on a 43-acre property near Green Pond Road, which houses NCC's East 40, though those properties may need special permits.