Environment & Science

From April 20 through April 28, residents are invited to join or host a cleanup along a section of the D&L Trail as part of a trash collection competition. Winners will be announced May 3.

More than 2,000 acres on 28 farms in 15 counties across the commonwealth were preserved. Here are the Lehigh Valley farms now safe from development.

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.

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.

The exhibit's stop in Allentown is its first on a 13-museum tour that’s booked through the summer of 2030.

State officials on Thursday released the first fall foliage forecast of the year, an annual effort that maps the state’s six-week leaf-peeping season.

Gov. Josh Shapiro reached out to Easton City Council for assistance with signage along the 9-11 Trail in anticipation of the 25 anniversary of Sept. 11 in 2026.

Lehigh Valley Planning Commission’s Environment Committee approved comments on more than a dozen water and wastewater projects Tuesday. The projects are part of a five-year capital plan.

This week, a look at the planet Saturn which is shining particularly brightly.

The largest green space in Easton, situated in the West Ward, Easton Cemetery officials are working to generate revenue through membership, fundraisers and events.

Three Lehigh Valley projects are in the running for Green Building United’s 2025 Groundbreaker Awards. Winners will be announced Oct. 9.

Northampton County and state Game Commission officials celebrated the opening of Gerald E. Seyfried Bear Swamp Park and Archery Complex and Wayne A. Grube Memorial Park with events at both locations.

This week on Watching the Skies, the subject is the beginning of ‘astronomical autumn.’

Like last year, the Valley’s cool temperatures, coupled with a lack of precipitation, could cause an earlier and shorter fall foliage season. But, it's still expected to be vibrant.

Officials behind the Lehigh Valley Breathes project have announced an Aug. 31 data cut-off date, ending the data collection phase. The project was launched in August 2023.

“Sacred Planet with Gulnaz Khan,” is a four-part documentary series focused on how indigenous leaders and traditional religious communities across the world are grappling with the impacts of climate change.