Environment & Science

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.

Almost 100 volunteers on Saturday picked up litter at Monocacy Creek. Organizers said there was "lots of camaraderie” and enthusiasm.

The Allentown Environmental Advisory Council is examining three of the city's largest buildings to identify potential opportunities to boost efficiency and cut costs.

Lehigh Valley residents eager to begin their spring gardening are looking toward the last frost and freeze dates for the area — but they'll have to be patient.

Ruth Santiago, an attorney and environmental activist in Puerto Rico, is returning to the Lehigh Valley this month to speak to students and residents about alternative electrical systems and environmental equity amid climate change.

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.

The commonwealth is getting $265.9 million in federal funding to upgrade its aging water infrastructure. The state has the fourth most lead pipes in the nation, according to a recent EPA survey.

The spring migration count at Hawk Mountain has begun. So far this season, 137 birds of prey have been recorded.

While three out of four Lehigh Valley residents are either “very” or “somewhat” concerned with loss of open space, about a third expressed concerns about the quality of air and drinking water in the region. Read the latest in our "Life in the Lehigh Valley" series.

The panel approved the motion 3-2, rezoning 275.7 acres of farmland near Bethlehem Landfill from Rural Agricultural to Light Industrial. While some residents are outraged, officials say tax rates will stay low.

The program empowers high schoolers to be local leaders when it comes to caring for the environment.

Allentown and nearby areas had some showers and potential morning thunderstorms. The day will gradually clear to about 81 degrees with changing winds. The coming days bring stable, cooler weather for the Labor Day weekend.

Environmental groups are calling on state regulators to deny a request from a crypto-mining company to burn tires as fuel for its operations.

The $3.05 million in federal funding comes on behalf of the Building Resilient Infrastructure and Communities grant program. The Easton Avenue project is one of five across the state.

Two Allegiant flights slated for Wednesday afternoon have been canceled. Forecasters say the Category 3 story is 'unprecedented.'

More than 2,600 acres on 35 farms in 18 counties across the commonwealth were preserved. Here are the Lehigh Valley farms now safe from development.

The yet-to-be-named calf was born Aug. 4 and is the tenth oryx calf born at the zoo since 2014.

As of Aug. 22, more than 300 raptors were counted during the Berks County sanctuary's annual autumn count. The count runs through Dec. 15.

Beginning Wednesday night, a super blue moon will rise and will be the third-largest moon to date this year, leaving one more supermoon in 2023.

The Pennsylvania Game Commission's Elk Cam gives viewers a close-up look at elk as their activity is about to ramp up with the bugling season. It features a rotating, zooming camera and natural sound.