Environment & Science

Mackenzie, along with officials from Wildlands Conservancy, the Appalachian Mountain Club and the Delaware & Lehigh National Heritage Corridor, on Wednesday morning hiked a portion of the property, lauding the federal Land and Water Conservation Fund that helped preserve it.

Easton's Environmental Advisory Council is continuing to work on an ordinance aimed at decreasing light pollution throughout the city.

For this year’s event, set for Sunday, officials are cutting out single-use water bottles and trading plastic medal packaging for paper, among other sustainability initiatives.

More than three dozen law enforcement professionals from the Lehigh Valley and beyond took part in the first training at the newly opened Joni Berner Esq ‘75-Expert Witness Training Center & Crime Scene Laboratory.

This month is a peak time to view comets in the nighttime sky. "Watching the Skies" host Brad Klein and Bethlehem's "Backyard Astronomy Guy" Marty McGuire review what astrological visitors to keep an eye out for as they pass through Earth's backyard.

A group of demonstrators called on Congress Friday to permanently protect the Arctic from drilling, as well as drum up support from Lehigh Valley residents.

“Creating a Micro-Forest: A Step by Step Guide" is available free on the city's website. Officials said it's a tool to help municipalities, schools or other organizations interested in building a micro-forest.

Opponents of the Easton Commerce Park project, particularly the plan to move a tributary on the property, had a chance to voice concerns to the Easton's Zoning Hearing Board on Monday night.

A little more than a month into Pennsylvania’s fall foliage season, both Lehigh and Northampton counties are predicted to be at peak color.

This week, a rare interstellar comet is passing through our solar system. It was detected by an array of telescopes designed to warn astronomers should a comet be on a collision course with Earth.

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.

Leaf-peeping season is right around the corner in the Valley, moving from north to south as temperatures drop into fall across the commonwealth. Here's why the region could see an earlier, shorter season.

The box tree moth, a highly destructive, invasive insect, was discovered for the first time in Pennsylvania, in two cemeteries in Erie County. A quarantine has been issued.

The “Stanley Jr. Kids Wheelbarrow and 7-piece Garden Set" has been recalled by the U.S. Consumer Product Safety Commission after the paint on the hoe and rake were found to contain lead levels exceeding the federal content ban.

Brad Klein reviews the week’s astronomical highlights with Bethlehem’s ‘Backyard Astronomy Guy,’ Marty McGuire. This week, they look ahead to the Autumnal Equinox.

SpaceX’s capsule Polaris Dawn splashed down in the Gulf of Mexico in the predawn darkness early Sunday. Returning to Earth were two SpaceX engineers, a former Air Force Thunderbird pilot and tech entrepreneur Jared Isaacman of the Lehigh Valley. Isaacman became only the 264th person to perform a spacewalk.