Environment & Science

A severe weather threat is on tap for Sunday, forecasters warn, with a tornado threat for central Pennsylvania and damaging winds possible in the Lehigh Valley.

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.

It is humanity's first-ever mission into the part of the sun’s upper atmosphere known as the corona.

A complex storm system forecasters said could overperform did that and more in the Lehigh Valley on Friday night, as snow totals doubled initial forecasts in some areas.

Join Megan Frank at 9:30 a.m. and 6:30 p.m. every Friday for Insights with LehighValleyNews.com on WLVR. This week, Brittany Sweeney takes her place with environment and science reporter Molly Bilinski and arts and culture reporter Micaela Hood.

How much snow can we expect Friday? Forecasters say the complex weather system taking aim at the region has resulted in "a difficult and challenging forecast" for the Lehigh Valley and surrounding areas.

Despite the drought, Christmas tree farms in the Lehigh Valley were able to make it through a pretty solid season. Check out how the past few weeks panned out for the owners, what types of tree were most popular, and how to keep them alive longer.

Forecast guidance continues to indicate precipitation can be expected over the region Friday evening, which could leave a blanket of white in some areas as we await the winter solstice.

The project, beginning today, includes rebuilding the stream bank. Officials said increased public interest and use, climate change and more frequent high-water events have significantly eroded it.

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.