Environment & Science

Unforeseen issues and obstacles have pushed the timeline for Lehigh Valley Breathes back. The regional air monitoring project aims to measure fine particle pollution.

Easton's Nurture Nature Center is searching for stargazers to join in the Hubble Night Sky Observing Challenge, where participants look out for some of the spectacles the legendary telescope has photographed.

The 109th PA Farm Show opens this weekend in the state capital, kicking off a week of competitions and demonstrations. Here's what you need to know about admission, parking and more.

Preliminary testing showed the presence of highly pathogenic avian influenza. Sick birds were also found at both locations.

January is National Radon Action Month. Public health officials are urging residents to stay informed of the risks, test and support legislative efforts to increase testing.

The Lehigh Valley Audubon Society, in partnership with the Lehigh Gap Nature Center, is holding its 10th annual Christmas Bird Count for Kids on Saturday, Jan. 11.

Depending on cloud cover, the Lehigh Valley could see a lunar eclipse between midnight on March 13 through early morning March 14. A solar eclipse could peak just after midnight on March 29.

Administered by Pennsylvania Organization for Watersheds and Rivers, or POWR, with funding from the DCNR, officials said the effort aims to elevate public awareness of specific rivers and recognize important conservation needs and achievements.

It will get warmer and closer to normal as the week progresses, but for now, the National Weather Service recommends folks bundle up as an arctic air mass from Canada and the Great Lakes moves in.

The longest running raptor migration count in the world wrapped up for the 2024 season. Staff and volunteers spent more than 1,000 hours recording species as part of Hawk Mountain's conservation efforts.

“Twitter is now limiting automated tweets and as a result this account can no longer post all watches/warnings/advisories as they are issued,” a tweet from NWS Mount Holly said Saturday morning. Things seemingly changed Saturday night.

Like the rest of the country, Pennsylvania has a litter problem. While state and local officials work to mitigate the issue, residents are rolling up their sleeves and doing the work themselves.

The warning is expected to last until 5:30 p.m. Saturday.

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

Titan, a 12-year-old raccoon, was euthanized at the Lehigh Valley Zoo several months after he was diagnosed with a bladder tumor. A favorite to patrons, he will be sorely missed, officials said.

The Bethlehem Planning Commission approved changes in the zoning ordinance that would permit day care facilities at community centers and environmental education centers. City council will also have to approve the changes.

The swarms are common around bodies of water, making Bethlehem neighborhoods near the Lehigh River more susceptible. While a nuisance, they pose no threat to residents.

These high pressure systems located near Bermuda have a clockwise circulation, which means the eastern U.S. receives south to southeast winds, bringing in the heat and humid air.

State transportation officials on Wednesday held an online public forum to answer questions from residents about their 12-Year Program, a planning and funding tool for state-owned road and bridge projects.

The Lehigh Valley is under a red flag warning Wednesday, and officials say critical fire weather conditions are expected.

Excessive road salting during the winter months can negatively impact the environment and local infrastructure. A nonprofit is working to collect salinity data from waterways.

PennEnvironment launched an interactive map of efficient and renewable energy projects across the state. Here are the Lehigh Valley projects included.