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.

“This is not just a one-day spike,” the weather service said in its forecast discussion. “Very warm and above normal temperatures will continue through the upcoming weekend.”

Officials and executives at the Lehigh Valley Economic Development Corporation's annual meeting Tuesday pulled back the curtains on Eli Lilly's decision to open in the region.

The winter storm that prompted dire forecasts and a statewide disaster declaration largely fizzled in the Lehigh Valley, leaving the area with only moderate to light snowfall by Monday morning.

As the Lehigh Valley’s most recent blanket of snow rapidly melts away, Mother Nature appears ready to test the region’s patience all over again.

The early LIHEAP crisis numbers already represent a notable share of last winter’s total in the Lehigh Valley, according to data provided by the Department of Human Services.

An extreme cold warning, combined with a wind advisory also in effect, could mean wind chills as low as 20 degrees below zero for the region this weekend.

A webinar Monday brought together regional planners, engineers and industry leaders to explain how data centers operate and what their growth could mean for local communities.

Protein is king in the world of nutrition at the moment, but there are plenty of questions surrounding the trend. Let's take a look at what it is, where to get it from, and how to navigate the complex world of nutrition.

Month-to-date snowfall in the Allentown area now stands at 20.8 inches, nearly triple the normal January average of 7.7 inches, according to the National Weather Service.

The storm dropped a record 11.8 inches of snow on Lehigh Valley International Airport, breaking the old record of 10.4 inches for the date set in 1988.

Forecasters say the Lehigh Valley region could see 10 to 16 inches of snow and sleet accumulations, with a wintry mix of snow and sleet expected Sunday afternoon and evening. A winter storm warning remains in effect into Monday afternoon.

Lehigh Valley shelters are adding capacity as meteorologists forecast between 10 and 16 inches of snow starting Sunday.