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.

More than six months after its launch, 33 air quality monitors have been installed throughout the Lehigh Valley as part of Lehigh Valley Breathes, a regionwide effort to monitor air quality amid emissions from trucking and warehousing.

Arcadia Development Corporation plans to tear down the SureStay Plus Hotel by Best Western at 300 Gateway Drive off Route 512, replacing it with a warehouse. The permit hearing is scheduled for 6 p.m. to 9 p.m. April 29 at Nitschmann Middle School in Bethlehem.

A one-day symposium at Lehigh gathered decision-makers from Pennsylvania's big-name universities, talking strategy for recruiting students cross-border and overseas, and touting economic and cultural benefits.

The city is working to establish an application process for microgrants ranging from $1,000 to $5,000, according to Allentown’s new sustainability coordinator.

The Lehigh Valley is under a slight risk of excessive rainfall, with the Weather Prediction Center warning of localized and isolated areas of flash flooding Thursday into Friday.

Hosted by the Northampton County Conservation District, the Envirothon is scheduled for April 18 at Louise W. Moore County Park. Teams will be tested in a handful of different topics, including wildlife, forestry, soils and land use, aquatic ecology and a current environmental issue.

The Biden administration on Wednesday finalized strict limits on certain so-called “forever chemicals” in drinking water that will require utilities to reduce them to the lowest level they can be reliably measured.

The Pennsylvania Museum and Historical Commission will recognize the Allentown State Hospital — which was demolished at the end of 2020 — as a significant part of the Commonwealth’s history by awarding it an Official State Historical Marker.

The results of Lehigh Gap Nature Center's 27th annual Lehigh Gap Area Feeder Watch are in. Find out what birds were spotted.

An extended view of the total solar eclipse that was promised in the Lehigh Valley on Monday afternoon never materialized due to thick cloud cover, disappointing many of the approximately 1,000 at The Promenade Shops at Saucon Valley.

It's solar eclipse day. Here are a few final things to know as we count down to the cosmic spectacle that has been dominating the public consciousness.

Despite the cold weather, dozens of anglers showed out to the Little Lehigh Creek in Allentown to mark the first day of trout season in Pennsylvania. The Fish and Boat Commission has been hard at work populating local waters with trout since February.