Environment & Science

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.

Spraying began 8 a.m. Tuesday. Black flies have been a recognized pest of humans and livestock in Pennsylvania since the 1970s.

“This weekend will feature an early-summer like weather pattern,” the National Weather Service said, highlighting dry conditions and a mix of sun and clouds expected Saturday afternoon.

Pasa Sustainable Agriculture on Wednesday held virtual town hall focused on the current freeze on U.S. Department of Agriculture grants earmarked for farmers implementing climate-smart production practices.

The Lehigh Valley Planning Commission’s Environment Committee on Tuesday reviewed plans to update sewage infrastructure in two municipalities.

Lehigh Gap Nature Center from Feb. 14-16 held its annual Lehigh Gap Area Feeder Watch. The long-term research project focuses on monitoring winter bird populations.

Light pollution has made seeing the Milky Way galaxy difficult, unless you're in a state park in north-central Pennsylvania that's a three-and-a-half-hour drive from the Lehigh Valley.

A recent bald eagle rehabilitation and release is a bright spot amid a dangerous time for bald eagles in the Lehigh Valley and the rest of the commonwealth. Bird flu continues to threaten wild bird populations, causing more than a dozen bald eagles to be euthanized across Pennsylvania.

The first-of-its-kind report, “Wildlife Corridors: How reconnecting habitats is protecting Pennsylvania’s native species," highlights 10 innovative wildlife corridor projects around the state.

Pasa Sustainable Agriculture officials say they're owed more than $3 million in outstanding reimbursements from the federal government. The lawsuit includes six other organizations and five major cities.

The spring equinox officially arrived at 5:01 a.m. Thursday, but the upcoming pattern is cold, blustery and rainy for the Lehigh Valley and the rest of the region.

According to the USDA, wholesale prices for large cartoned shell eggs fell as low as $4.78 per dozen in the Northeast region — a decline of 33% month to month.

Fahy Commons on March 3 received certification through Phius, a Chicago-based nonprofit that sets standards and certifies high-efficiency buildings.

Through April 25, a section of Institute Drive is closed in the Totts Gap Conservation Area. Officials aim to protect breeding frogs, toads and salamanders from being crushed by vehicle tires.