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.

Less than a decade old and with trainees coming from all over the country, Rodale Institute’s Veteran Farmer Training program aims to give veterans the tools they need to pivot into successful farming careers, as well as spread knowledge about sustainable farming practices and regenerative organic agriculture.

Take a look at stories that ran throughout the week of which we are most proud, had a profound impact on readers or that you might want to look at again.

Two professors were recently awarded a three-year, $750,000 grant from NASA to help engage and retain women in STEM, or science, technology, engineering and math, disciplines. The college was one of seven institutions to get funding.

Hunters Sharing the Harvest, Pennsylvania’s venison donation program, has since 1991 built a network of deer processors and food pantries across the state, donating nearly 2 million pounds of venison. Deer rifle season begins Saturday.

Widespread heavy rains moved out of the Lehigh Valley early Wednesday, with the storm expected to bring a wintry mix across New England and the interior Northeast on the day before Thanksgiving.

Lehigh Valley Zoo will welcome red pandas in 2024 as part of its effort to introduce new species to the zoo.

The Governor’s Award for Environmental Excellence is open to any commonwealth business, farm, government agency, educational institution or nonprofit organization that has developed or participated in a project that promotes environmental protection and stewardship. Applications are due by Jan. 3.

When state officials announced a series of in-person and virtual meetings there were no in-person meetings slated for the Lehigh Valley, even though the region is the third largest metropolitan area in the commonwealth. A meeting in Allentown has been added to the schedule.

A decade or so after buying his South Whitehall Township home in the late 1960s, Fred Buse started recording the average temperature, precipitation type and amount, as well as any animal sightings in his backyard to study and track the health of the local environment.

Saturn is close to the moon tonight. You'll need binoculars or a small telescope to make out the rings.

A significant storm is set to soak the region this week, and it will come during the peak travel days ahead of Thanksgiving. Some areas could even see wintry precipitation.

While the goal is to transition communities to clean energy while creating jobs, there are still many unknowns about the projects. Even though there are two hubs slated for Pennsylvania, it could be a while before the Lehigh Valley’s residents begin to feel any impacts.