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.

If Mother Nature has anything to say about it, this could be an abbreviated peak bloom for the cherry blossoms in the Lehigh Valley and surrounding areas.

Cloud cover is likely to limit thunderstorm development Monday by acting as a cap, preventing the upward movement of warm, moist air needed to fuel thunderstorms.

President Donald Trump and the Department of Government Efficiency canceled Pennsylvania’s $13 million contract with the Local Food Purchasing Assistance Program. A pandemic-era program, farmers were paid to supply local food banks with fresh produce.

This week, how to spot the first traces of the young crescent moon that marks the end of the Islamic holy month of Ramadan.

The fifth annual Be My Neighbor Day was held Saturday at Univest Public Media Center in Bethlehem. Children participated in crafts and gardening activities, interactive musical performances, and meet-ups with Daniel Tiger.

Team Pennsylvania on National Agriculture Day released “The Pennsylvania Agriculture Economic Analysis 2025.” The report takes a deep data dive into the commonwealth’s agriculture sector from 2012-2022.

“This weekend will feature an early-summer like weather pattern,” the National Weather Service said, highlighting dry conditions and a mix of sun and clouds expected Saturday afternoon.

Pasa Sustainable Agriculture on Wednesday held virtual town hall focused on the current freeze on U.S. Department of Agriculture grants earmarked for farmers implementing climate-smart production practices.

The Lehigh Valley Planning Commission’s Environment Committee on Tuesday reviewed plans to update sewage infrastructure in two municipalities.

Lehigh Gap Nature Center from Feb. 14-16 held its annual Lehigh Gap Area Feeder Watch. The long-term research project focuses on monitoring winter bird populations.

Light pollution has made seeing the Milky Way galaxy difficult, unless you're in a state park in north-central Pennsylvania that's a three-and-a-half-hour drive from the Lehigh Valley.

A recent bald eagle rehabilitation and release is a bright spot amid a dangerous time for bald eagles in the Lehigh Valley and the rest of the commonwealth. Bird flu continues to threaten wild bird populations, causing more than a dozen bald eagles to be euthanized across Pennsylvania.