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.

The collection shares the cumulative experience of heritage, according to the museum curator.

It's more contagious but doctors are not seeing many hospitalizations. Yet.

An environmental law expert says the EPA retains substantial authority to regulate emissions.

The programs are putting a different spin on the traditional summer camp experience.

Chickens, cardinals, praying mantis, ants and wasps are just a few of the spotted lanternfly's natural predators.

Muhlenberg College has been polling on the topic of climate change since 2007.

E-cigarettes have become the introduction to nicotine for the younger generations.

Legislators are looking for ways to ease the situation.

Most angers will be OK with the small jump in prices, according to one bait shop owner.

Public comment on a plan to invest more than $170M is open through month's end.

Is the pandemic ever 'over'?

The mural was created by Lehigh University graduate Denton Burrows.