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.

“A very hot, soupy environment is going to lead to high precipitable water content and that means heavy rainfall,” one forecaster said of Friday's Lehigh Valley weather forecast.

Easton's Karl Stirner Arts Trail is an ever-popular destination for locals and travelers seeking a quaint and quick trip through a museum set along a strip of wilderness in the city.

June was cool, but July is proving to be HOT! When the weather switches from mild to extreme in a matter of days, doctors say more people come in with heat-related illnesses.

Humidity has ramped up in a big way as the region is mired in a prolonged period of unsettled weather. But it's this or smoke, meteorologists say.

State environmental officials, along with conservationists across the U.S., are partnering this summer for a firefly observation program called the Firefly Watch Community Science Project.

The Schnecksville zoo's annual Independence Day Celebration included patriotic enrichment for the animals, free flags for guests, as well as live music from the Allentown Hobo “Almost” Marching Band.

More people are clamoring for drone shows, which are quieter and safer than fireworks, but Chris Hopkins has the ability to deliver both, and more.

Earlier this month, the state Senate approved Sen. Lisa Boscola's bill, which would increase the fine and direct any fees collected towards bald and golden eagle conservation efforts across the commonwealth.

Fireworks shows in Allentown and Bethlehem could be in jeopardy on Tuesday as the Lehigh Valley continues to be at the mercy of Mother Nature in a sticky, sultry pattern that won’t relent.

The National Weather Service issued a severe thunderstorm watch for several counties in eastern Pennsylvania, including Lehigh and Northampton. The watch will remain in effect until 11 p.m. Sunday.

Three high school interns have been working at the Easton Urban Farm at the Easton Area Neighborhood Center. This is the third year for the high school program.

Lehigh Valley prepares for a humid Sunday with the possibility of severe thunderstorms and damaging winds. Showers and thunderstorms are expected in the afternoon, with a line of storms forming and moving eastward. There is also a small chance for brief spin-ups.