Environment & Science

Rain, strong winds and a severe weather threat have caused organizers of Bethlehem's Cherry Blossom Festival to postpone the event to Sunday.

Lehigh Valley residents might see low-flying planes over Blue Mountain through April 7 as efforts continue to remediate the Palmerton zinc pile superfund site.

Signs of spring are popping open around the Lehigh Valley, which means allergy season is here. The mild winter may play a role in how early and severe those allergies are.

Rodale Institute's board of directors announced Jeff Tkach, 43, of Lower Macungie Township, will serve as the nonprofit's new CEO. He'll take the helm of the Kutztown-based organic farming research and education organization starting April 21.

A chemical spill of a latex product late Friday in Bristol Township released contaminants into a Delaware River tributary, according to OEM officials.

The Lehigh Valley Zoo has three new African penguins, bringing its total colony to 14. As part of a species survival plan, zoo officials hope the birds will pair off a reproduce to bolster the endangered species.

Pennsylvania will again operate a water assistance program for low-income households behind in their water or wastewater bills, state officials announced last week.

With the Pennsylvania Department of Environmental Protection and federal Environmental Protection Agency at odds over the acceptable levels of 'forever chemicals' in public drinking water, it’s become an expensive and frustrating process for at least one Lehigh Valley municipality.

Spring arrives at 5:24 p.m. Monday and it will certainly feel like it for the first few days of the week, meteorologists say, with widespread sunshine and blue skies on tap.

The PAC with ties to the Bethlehem Landfill in the township pumped at least $75,000 into the race.

Some insects like mosquitos are thriving later in the season as temperatures reach well into the 70s.

More than 81,000 documented oil and gas wells across the U.S. have been left unplugged by former owners — far exceeding the previous estimate of 56,000, according to a new report by the Environmental Defense Fund.

Pennsylvania has a new, tech-savvy option for hunters and anglers: digital licenses. The Pennsylvania Game Commission and the Pennsylvania Fish & Boat Commission’s new web platform allows people to apply for and download licenses in PDF form.

Get Outside for Good is a monthly hike aimed at raising awareness — and money — about and for Lehigh Valley nonprofit organizations. The hike, held the first Sunday of each month at the South Mountain Preserve in Allentown, is bringing local women together.

A new report says Lehigh Valley residents breathed in heavily polluted air for more than 50 days last year.

Texas-based pipeline builder Energy Transfer faces 48 criminal charges related to construction of its Mariner East pipeline project, including a felony count of failing to report pollution.

Electric vehicles are having a moment at the state capitol.

This week, PennEast Pipeline said it would stop developing a proposed pipeline from Pennsylvania to New Jersey.

Allegheny County has a new rule on the books aimed at lowering air pollution levels during weather events that trap industrial fumes near the ground.

When the glaciers retreated 13,000 years ago from northwestern Pennsylvania, eight natural lakes were left in their wake. The ones that have become popular, like Conneaut and Edinboro lakes, have vacation homes, resorts, and farms nearby. But one lake stands out as a jewel of the region: Lake Pleasant.

A new study from Penn State shows Pennsylvania could avoid billions of dollars in health damages by joining a regional cap and trade program targeting power plant emissions.