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 survey aims to capture opinions from local restaurants and eateries about single-use plastics.

Join the Watching the Skies guys at Shankweiler’s Drive-In next Tuesday, June 17, for a special filmed presentation on the "red planet," followed by a screening of the 1985 film "Explorers."

The grant, part of a $650,000 round of funding, came from the Foundation for Pennsylvania Watersheds, a State College-based nonprofit.

Township officials held their first public meeting on the Bushkill Creek Greenway Master Plan. It's a comprehensive, community-driven effort aimed at mitigating flooding, updating facilities and increasing accessibility.

Temperatures climbed well into the upper 80s this week in the Lehigh Valley, teasing that classic summer milestone — the first 90-degree day of the year.

The $13 million contract was with the Local Food Purchasing Assistance Program. A pandemic-era program, commonwealth farmers were paid to supply local food banks with fresh produce.

CDP, formerly known as the Carbon Disclosure Project, announced the scores Thursday. It’s the highest grade the city has received from CDP since officials started reporting in 2018.

Smoke drifted over the Great Lakes on Monday night and pushed east, the National Weather Service said, with forecasters warning it will result in smokier skies for the Lehigh Valley and large swaths of the eastern U.S. on Tuesday.

Antone “Tony” Pierucci has been selected to be the new executive director of The Delaware & Lehigh National Heritage Corridor.

The National Weather Service said the haze could be more apparent toward the late afternoon and evening hours, particularly at sunset.

This week, Japanese lunar mission ‘Resilience’ prepares to deploy its lander to the moon’s surface. If all goes according to plan, it will happen Thursday, June 5.

During this year’s spring migration count, which ran from April 1 through mid-May, Hawk Mountain volunteers and staff tallied 1,271 birds of prey.