Environment & Science

The spring migration count at Hawk Mountain has begun. It runs through May 15.

EPA officials last week announced the first-ever national drinking water standard regulating per- and poly-fluoroalkyl substances, or PFAS, which are widespread, long-lasting in the environment and have been linked to long-term health issues.

A female mallard duck has stolen the spotlight at the Promenade Saucon Valley after nesting in a planter. Her month-long residence will postpone landscaping plans, but her newfound popularity is making up for it.

First introduced by state Sen. Lisa Boscola in 2015, the bill would increase penalties and direct any money collected toward bald and golden eagle conservation efforts in Pennsylvania.

Brandon Krock has 440,000 seeds to plant at Fox Summit Farm, a pick-your-own sunflower farm that will return this summer in the Lehigh Valley. He's planning fireworks, food trucks, a 5k and more.

Philadelphia Eagles Safety Reed Blankenship will visit the park as part of its Iron Menace Ride for a Cause event this Friday, which benefits the Eagles Autism Foundation.

WLVR's Brad Klein and Marty McGuire, known as Bethlehem's 'Backyard Astronomy Guy' spoke over the phone about the April 8 total solar eclipse. The path of totality veered toward the Northeast, where McGuire saw it from New York.

A severe weather threat is on tap for Sunday, forecasters warn, with a tornado threat for central Pennsylvania and damaging winds possible in the Lehigh Valley.

From April 20 through April 28, residents are invited to join or host a cleanup along a section of the D&L Trail as part of a trash collection competition. Winners will be announced May 3.

More than 2,000 acres on 28 farms in 15 counties across the commonwealth were preserved. Here are the Lehigh Valley farms now safe from development.

The mud-colored salamander–also known as a snot otter, mud devil, and Allegheny alligator–can grow to be two feet long, and can live up to 30 years.

This year's Bake Oven Knob Autumn Hawk Watch has so far recorded more than 1,000 migrating birds of prey, not including the dozens logged Thursday morning.

How much snow is coming this winter? Model ensembles and long-range outlooks are starting to yield some clues.

Officials at Jacobsburg Environmental Education Center on Wednesday held their annual "Monarch Madness" tagging event. Four male and two female monarchs were tagged.

Just days away from the official start of fall, forecasters say the Lehigh Valley will see a long stretch of dry weather and seasonal temperatures ahead.

Residents can anticipate a flood watch in effect for a significant portion of the area Tuesday night and throughout Wednesday, as heavy rainfall from showers and thunderstorms is expected.

Leaf-peeper season is right around the corner. Here's when to be on the lookout for pops of brilliant yellows, oranges and reds across the landscape.

Kathleen Covalt, who teaches online classes through Northampton Community College for adults interested in learning about unidentified anomalous phenomena, or UAPs, said there's hope for future disclosures.

A stalled front will take a parting shot at the Lehigh Valley on Monday, bringing additional showers, thunderstorms and possible downpours, forecasters say.

Sunday could be mostly a washout, with showers and the potential for heavy rainfall in the forecast throughout the day. Things are looking up, though, for later in the week.

The 17-year-old Allentown Central Catholic senior has been monitoring the creek's surface lead concentrations, and plans to continue researching.

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.