Environment & Science

The Lehigh Valley is preparing for its first official heat wave of the year, with a stretch of 90°+ degree temperatures expected. A heat advisory is in effect from 11 a.m. Thursday to 10 p.m. Friday.

Showers and thunderstorms, possibly severe are possible Tuesday evening, alerts from the Weather Prediction Center have warned.

The Federal Emergency Management Agency is hosting a first-of-its-kind summit this week in Philadelphia focused on those aged 65 and older.

Those with lingering COVID-19 symptoms are part of the group of people who should stay indoors when smoke from the Canadian wildfires is particularly bad, says a Lehigh Valley doctor. He says people living with any type of lung problem should be aware of what’s happening outside.

The City of Allentown is looking for artists to paint murals on storm inlets as part of its Go with the Flow Inlet Mural Painting Contest.

The third week of July is the warmest week of the year based on climatological norms, and the Lehigh Valley forecast fits that trend. Excessive heat headlines are likely, the weather service said.

Easton's conservation manager on Wednesday evening held a basic tree care and proper pruning course at Easton’s microforest. Here's what he taught.

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.

WLVR's Megan Frank talks with reporters Jason Addy and Molly Bilinski.

Hot, summertime temperatures will expand across the U.S. and could bring the Lehigh Valley’s first official heat wave of the year, forecasters say.

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.

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.

More than six months after its launch, 33 air quality monitors have been installed throughout the Lehigh Valley as part of Lehigh Valley Breathes, a regionwide effort to monitor air quality amid emissions from trucking and warehousing.

Arcadia Development Corporation plans to tear down the SureStay Plus Hotel by Best Western at 300 Gateway Drive off Route 512, replacing it with a warehouse. The permit hearing is scheduled for 6 p.m. to 9 p.m. April 29 at Nitschmann Middle School in Bethlehem.

A one-day symposium at Lehigh gathered decision-makers from Pennsylvania's big-name universities, talking strategy for recruiting students cross-border and overseas, and touting economic and cultural benefits.

The city is working to establish an application process for microgrants ranging from $1,000 to $5,000, according to Allentown’s new sustainability coordinator.

The Lehigh Valley is under a slight risk of excessive rainfall, with the Weather Prediction Center warning of localized and isolated areas of flash flooding Thursday into Friday.