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.

Musikfest organizers have already eliminated paper food and beverage tickets, and started using renewable energy sources to power tents, vendors and beer trucks – but the work continues to make the event more environmentally-friendly.

The Lehigh Valley will begin to see impacts from Tropical Cyclone Debby on Tuesday, forecasters warn, calling expected rainfall a ‘predecessor’ event as the storm begins to crawl up the coast.

This week, Watching the Skies gives an update on the International Space Station, which is currently hosting two ‘extra’ American astronauts.

Saturday’s weather plagued Musikfest and there’s a chance more of the same is in store Sunday for the Lehigh Valley region. After a sunny Monday, heavy rain is in the forecast Tuesday.

Following a severe thunderstorm yesterday, the Lehigh Valley should brace for more intense weather

Downpours and thunderstorms are expected to ramp up across the region heading into the weekend. Here's what to expect if you have outdoor plans, especially if you're heading to Musikfest in Bethlehem.

Over the past few days, Lehigh Valley residents have complained of bad smells wafting through Bethlehem and surrounding areas. Residents have described the most recent heavy odor as a rotting smell.

Another wave of heat is forecast for the Lehigh Valley and a large swath of the region in the coming days, with heat index values up to 100 degrees expected, the National Weather Service said.

ArtsQuest has a plan to keep people safe and hydrated as temperatures rise later this week. But once again, dodging storms on a couple of nights could be the weather headline of Musikfest 2024, says EPAWA meteorologist Bobby Martrich.

One of the best chances to ‘catch a falling star’ is the Perseid meteor shower. And the evening of Aug. 12 and early morning of Aug. 13 should be the peak night for this annual event.

“Noticing a haziness to the sky today? That is due to the smoke spreading into the region aloft from the wildfires in western North America,” the National Weather Service said on X.

PennFuture and the Delaware Riverkeeper Network earlier this month realized a win in their case against the Transcontinental Gas Pipe Line Company, or Transco, and the state Department of Environmental Protection.