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.

More than eight months after announcing a $600 million price tag over the next decade to upgrade aging water and wastewater treatment infrastructure, the Lehigh County Authority is reaching out to major industrial users.

A full moon is on display the evening of Monday, August 19. The full moon of each month has one or more traditional names, and the August full moon is known as ‘the Sturgeon Moon.’

Swaths of the Lehigh Valley were inundated by heavy rainfall on Sunday, leading to flash floods and prompting water rescues. Some areas received nearly 5 inches of rain, with a secondary front set to bring more on Monday.

A flash flood warning is in effect for parts of Lehigh and Northampton counties until 11:30 p.m. It follows a line of severe thunderstorms and a flood watch that will be in effect until 2 a.m. Monday.

The arrival of a slow-moving system will make for an unsettled weekend, forecasters say, with an excessive rainfall risk and potential flash flooding Sunday for the Lehigh Valley.

Wednesday marked the end of the first round of a three-year initiative called TOWERS, or Tackling Obstacles for Women’s Engagement and Retention in STEM, at Cedar Crest. Through the program, incoming freshmen are paired with mentors to complete science projects, gaining confidence and community along the way.

In the home stretch of summer, is the worst of the heat behind us? Here’s where things stand in the Lehigh Valley as we look ahead — and enter the peak of hurricane season.

Four farms in Lehigh and Northampton counties were the latest to be included in Pennsylvania’s Farmland Preservation Program. The program aims to ward off development and protect open spaces.

It's becoming more favorable as the summer goes on for viewing the planets in the evening sky, including Saturn. But did you know — its angle in relation to an Earth-bound observer is always changing.

The Storm Prediction Center has extended a tornado watch until 10 p.m., and the National Weather Service has issued a flash flood warning until 6:45 p.m.

Join Megan Frank at 9:30 a.m. and 6:30 p.m. every Friday for Insights with LehighValleyNews.com on WLVR. This week, she's joined by Managing Producer Stephanie Sigafoos and Northampton County reporter Ryan Gaylor.

With Tropical Storm Debby on approach to the region, forecasters continue to refine key messaging on what the Lehigh Valley can expect. We're at a 'slight' risk for severe weather, with tornadoes the main threat. Both Lehigh and Northampton counties are also under a flood watch.