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 coldest night of the season so far is approaching, according to the weather forecast.

A local consortium led by the Lehigh Valley Economic Development Corp. hoped to secure a $75 million grant to boost local production of semiconductors.

Brad Klein reviews this week's astronomical highlights with Bethlehem’s "Backyard Astronomy Guy."

Students learn to identify medicinal, edible and toxic plants. They also study how some plants have impacted history for both the good and bad, through their healing, addictive, profitable or edible properties.

The Allentown Public Library hosted a discussion on native plants and pollinators on Saturday, explaining their importance and what humans can do to help these vital organisms.

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.

The Northampton County Department of Parks and Recreation on Friday held a free program for residents about the world’s only flying mammal, bats, at Louise Moore Park, 146 Country Club Road in Lower Nazareth Township.

The officials announced a statewide drought watch this July. Here are the latest updates for Lehigh, Northampton and more.

DOE has selected PPL's application for consideration in the Grid Resilience and Innovation Partnerships program.

NOAA's Operational Branch Chief Jon Gottschalck referenced “Snowmaggedon” — the storm that walloped the region in February 2010. He said in this winter outlook, "There’s some hope for snow lovers."

The Lehigh Valley Planning Commission on Wednesday hosted “WorkshopLV: Environment + Transportation." The almost two hour long meeting focused on brainstorming and prioritizing ways to decarbonize transportation across the region.

Several sightings of black bears have been reported recently in residential areas of Bethlehem Township. Despite the animal not typically being aggressive toward humans, the Pennsylvania Game Commission advises not to approach or entice a black bear.