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 coastal system is expected to bring heavy rain to the Lehigh Valley and much of the region this weekend, prompting concerns of flooding and power outages.

The Asthma and Allergy Foundation of America released its Allergy Capitals report this month. Allentown ranked in the Top 15 nationwide.

Late Tuesday marks the astronomical beginning of the spring season in the Northern Hemisphere, but forecasters say winter isn’t quite done with us yet.

A section of Institute Drive will be closed through most of April to protect breeding amphibians. Experts said the road-closing conservation effort is not only important for the animals, but also for the region’s overall landscape and ecosystem.

According to experts, the only way to view the total eclipse on April 8, 2024, is to be inside the 120 mile-wide path of totality. Outside of it, you won't have nearly the same experience.

Brad Klein reviews the week’s astronomical highlights with Bethlehem’s "Backyard Astronomy Guy," Marty McGuire.

Dieruff High School is in the process of modernizing and expanding its Learning Dome, a space for interactive, three-dimensional lessons.

A three-person crew from Joshua Tree Experts spent hours pruning the trees on Camelot for Children's campus. The work was donated through the company's #JTGivesBack initiative.

City Conservation Manager Rob Christopher and Ian Kindle, chair of Easton's Environmental Advisory Council, called on college officials to repair the deforested slope in a joint email sent Friday.

Spring wildfire season runs from March through May across the commonwealth. State officials are urging residents to do their part to prevent wildfires.

Despite a warm surge this week, forecasters say it’s going to feel more like winter in the Lehigh Valley as we head towards the official first day of spring.

It’s expected to be a busy day for power crews in the Lehigh Valley with a wind advisory in place until 8 p.m., northwest winds of 20 to 30 mph and gusts up to 55 mph. Met-Ed and PPL Electric Utilities were reporting scattered outages.