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.

Carbon and Schuylkill are among the 43 counties that will benefit from the federal funding.

The plan uses the sale of credits for solar projects to plug oil and gas wells.

Drillers are expected to pay about $234M -- $90 million more than the year before.

Grants will go toward replacing gasoline- or diesel-fueled vehicles.

The 3-state panel is tasked with protecting resources of the Chesapeake Bay.

They don't bite or contain toxins, but they still don't have many friends in Pennsylvania.

Meeko is on a mission to save the planet from single-use plastic.

Opponents say joining RGGI will be an economic hardship on the state's energy sector.

Rep. Daryl Metcalfe has boosted fossil fuels and denied climate change.

The program is back for the start of 2022 after being canceled last year due to the pandemic.

After all but vanishing by the 1960s, the species is now self-sustaining in Pennsylvania.

Game Commission biologist Art McMorris has spent 18 years working on behalf of the winged predators.