Environment & Science

On Tuesday afternoon, Lehigh Valley International Airport recorded temperatures that tied the record heat set in Allentown over a century ago on June 24.

In addition to the Kline’s Island Sewer System, or KISS, regional wastewater plan, committee members advanced the Lehigh Valley Hazard Mitigation Plan to the full commission.

With the Lehigh Valley under an extreme heat warning through Wednesday, area doctors are urging residents to keep hydrated and stay cool.

PJM Interconnection, the regional grid operator headquartered in Valley Forge, issued a maximum generation alert and load management alert for Monday.

The first day of summer can be told by the sun's position, as well as the calendar.

Presented in partnership with the Nurture Nature Center, it’s the city’s first free Sustainability Movie Night, an effort organizers said aims to bring the community together for conservation education.

With the Lehigh Valley under an extreme heat warning next week, Allentown is offering free pool admission. Find out other ways to beat the heat.

The Delaware River was chosen as the commonwealth’s River of the Year. It was celebrated Wednesday with a festival.

Easton late last month became the third major city in the Lehigh Valley to seek certification through Bird Town Pennsylvania, an annual designation focused on community-based conservation.

Tick season is in full swing in the Lehigh Valley. In addition to blacklegged ticks, those most often associated with Lyme disease, the invasive Asian longhorned tick also calls the Valley home.

Relief from the brutal heat and humidity has been pushed to later in the week, forecasters say. Wednesday's temperatures will climb into the 90s with heat indexes inching past 100 degrees.

A Red Cross volunteer from the greater Lehigh Valley just got back from assisting displaced people in Hawaii following devastating wildfires there. Her job was to try and reconnect families.

Olivia Teel became the city’s forester in June. A native of the Lehigh Valley, who also studied environmental science at a local university, Teel’s devotion to the environment extends past working hours.

The Lehigh Valley's public pools will all be closed come Labor Day, rounding out a rather unusual August. But with blazing temperatures coming up at the beginning of September, it's vital to keep an eye out for heat exhaustion.

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.

During National Preparedness Month, those with the American Red Cross are helping people stay ready for anything. They say they are responding to twice as many disasters than they were 10 years ago.

WLVR's Ryan Gaylor talks with reporters Molly Bilinski and Olivia Marble.

Sunny days and warm temperatures are ahead in the Lehigh Valley forecast. Outdoor plans for the Labor Day weekend should go off without a hitch.

While three out of four Lehigh Valley residents are either “very” or “somewhat” concerned with loss of open space, about a third expressed concerns about the quality of air and drinking water in the region. Read the latest in our "Life in the Lehigh Valley" series.

The panel approved the motion 3-2, rezoning 275.7 acres of farmland near Bethlehem Landfill from Rural Agricultural to Light Industrial. While some residents are outraged, officials say tax rates will stay low.

The program empowers high schoolers to be local leaders when it comes to caring for the environment.

Allentown and nearby areas had some showers and potential morning thunderstorms. The day will gradually clear to about 81 degrees with changing winds. The coming days bring stable, cooler weather for the Labor Day weekend.