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.

Lehigh University hosted a symposium examining ways to bolster electric and water systems to cope with the demands of data centers. Getting it right could mean hundreds of new jobs — and a place leading the next generation of technology infrastructure.

Easton celebrated renovations to Centennial Park on Friday afternoon, highlighting new equipment, a walking track, and a revamped basketball court.

Easton's sustainability coordinator and chair of the Environmental Advisory Council gave a presentation on the benefits of a Dark Skies initiative at city council's Wednesday meeting.

Lehigh Valley Planning Commission's comprehensive planning commission approved plans to expand the Plainfield Township landfill site Tuesday.

Ten months after a paranormal investigation at Miller Symphony Hall for TV show “Eric Mintel Investigates” was completed, the episode is premiering. The event also includes a costume contest, jazz duet, book signing and spirit readings.

Forecasters at the Climate Prediction Center say the region faces “equal chances” for above, near, or below-normal precipitation from December through February — meaning the odds of any outcome are roughly even.

This week, a look at the Orionid meteor shower. It peaks this week on Monday night-Tuesday morning.

Applications are open for the second Good Farmer Award U.S. Officials are looking for farmers with less than 10 years of experience who exemplify sustainable farming practices while contributing to community and environmental health.

Easton residents were surprised to see streetlights swapped to LED fixtures last week, and city officials have halted the Met-Ed conversion project to review details before continuing the project.

A crop farm in Lehigh County was included in the latest round of Pennsylvania's Farmland Preservation Program. Twenty-three other farms across the state were also preserved.

In its 10th year, and led by the Watershed Coalition of the Lehigh Valley, the conference theme was “Back to Basics,” and drew a sold-out crowd with about 180 people, including professionals and volunteers.

The Allentown Environmental Advisory Council on Monday unanimously approved a letter and draft resolution, urging city officials to use non-chemical methods to dispatch invasive plants.