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.

Easton City Council members Frank Pintabone and Crystal Rose will host a community Q&A session with the developers behind the controversial new Easton Commerce Park warehouse project on Thursday, Dec. 19.

A nuisance system that moved through the region Sunday night brought the Lehigh Valley its first measurable snowfall of the season, the National Weather Service said.

The National Weather Service issued a winter weather advisory mid-Sunday afternoon, warning of potential slippery conditions as mixed precipitation moves through the Lehigh Valley into early Monday morning.

The winter solstice is celebrated in many ways by many cultures. How will you ring it in in the wee hours of Saturday morning, Dec. 21?

State environmental officials awarded $2.55 million in grants as part of a statewide effort to improve air quality in communities through cleaner fuel transportation infrastructure.

Wilson Area School District's second annual Family Computer Science Night welcomed hundreds of students to learn all about computers, AI, robots, and the future careers they could have in the field on Thursday evening.

Plans by Pediatric Cancer Foundation of the Lehigh Valley to construct a 1,200-square-foot addition to its existing administrative offices at 4501 Crackersport Road were approved by the South Whitehall Township Planning Commission on Thursday night.

Three farms in Lehigh County were the latest to be included in Pennsylvania’s Farmland Preservation Program. The program aims to ward off development and protect open spaces.

A system arriving Sunday night could bring a period of snow and ice to the area before a changeover to rain but “there remains considerable uncertainty with the details.”

During the 2023-24 hunting seasons, a record-breaking 261,672 pounds of venison from 6,905 deer and six elk statewide was donated through Hunters Sharing the Harvest. Find out how much was donated in the Lehigh Valley.

Part of the DCNR Community Conservation Partnerships Program, the grants support projects to develop new parks, rehabilitate existing spaces and protect vital natural habitats. A dozen Lehigh Valley projects were funded.

The Blue Mountain fire, also called the Gap Fire, on Nov. 2 erupted in Lehigh Township. The fire, which grew from 150 acres to almost 600, took seven days of fighting before it was marked 100% contained.