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.

The rainfall is expected to be heaviest Wednesday afternoon and evening as a cold front approaches, with forecasters not ruling out some rumbles of thunder possible in the Lehigh Valley.

Lehigh Gap Nature Center’s annual autumn Bake Oven Knob Hawk Watch ended late last month, with 9,373 migrating raptors recorded. While the overall count is lower than last year, many species exceeded 2023 totals.

Planet Venus is acting as the brightest star, visible in the West after sunset. Grab your binoculars, because there's a second planet at play with lots to show.

Wilson Area School District is set to host their second Wilson Family Computer Science Night, showcasing fun and hands-on innovative tech for students up to grade eight.

Jared Isaacman, a tech billionaire who lives in the Lehigh Valley and conducted the first private spacewalk, was nominated by President-elect Donald Trump on Wednesday to lead NASA.

The Unidos Foundation was one of 12 community organizations across Pennsylvania to receive the grant. Money is earmarked to ensure that historically marginalized and underserved communities have access to information and resources about environmental protection.

More than a year after the federal government held its first hearing on unidentified anomalous phenomena, or UAPs, two more were held within a week in November.

The Lehigh Valley is expected to see snow showers this week. Starting Tuesday evening, snow showers will move through the area, with more impactful showers Wednesday night through Thursday, including high winds.

Lehigh Township volunteer firefighters shared the obstacles they faced fighting a 600-acre fire that erupted on Blue Mountain. Almost a month later, it's still not technically out.

A NASA robotic mission that is exploring the inner reaches of our solar system will literally ‘touch the Sun’ on Christmas Eve.

The Lehigh Valley is in a 9-inch rain shortfall. The prolonged dry spell has raised concerns about the longevity of fresh-cut Christmas trees this year. And, it's thinning out the trees planted this year to grow for future holiday seasons.

The township's Shade Tree Commission was awarded 15 trees from a statewide nonprofit dedicated to improving the tree canopy in urban areas.