Environment & Science

The region could see wind chills as low as -15 degrees overnight as temperatures rapidly fall. The expected high winds could lead to power outages due to falling branches. PPL says it has 2,000 workers ready to respond.

The vote came after a raucous and at times chaotic council meeting and an hours-long public hearing on the proposal. Residents who showed up to speak against it filled Town Hall.

The National Weather Service said the winter storm targeting the Lehigh Valley contains "an air mass the likes of which we haven’t seen for several years."

The U.S. Consumer Product Safety Commission has issued a warning about possible carbon monoxide poisoning caused by the improper use of portable generators and provided tips to prevent it.

Its previous owners, the Mauser family, sold the property below value to realize a long-term goal of preserving its forest, farmland and streams, a statement said.

The Lower Saucon Township Council is considering a measure to clear the way for Bethlehem Landfill's expansion, in part by giving themselves more control over its approval. Here's what the proposal says.

Lower Saucon Township is considering zoning changes, so Bethlehem Landfill can expand, and one state lawmaker representing the area near the landfill is opposed.

The storm is being described as an “impactful extratropical cyclone” — the type that has cold air at its core and derives its energy from cold and warm air masses interacting.

An active weather pattern will continue in the Lehigh Valley through the weekend and beyond as a plume of moisture surges into the area, forecasters warn.

The Lehigh Valley Planning Commission's Environmental Committee on Wednesday heard a presentation about two climate action plans that must be completed over the next two years to meet the funding's requirements.

Palmer Township has earned a Tree City USA designation for 2022 through the Arbor Day Foundation. Officials said the advantages of healthy trees can range from environmental benefits to enhancing the visual appeal of a neighborhood and increasing property values.

The Pa. Fish and Boat Commission awarded a $175,000 Boating Facility Grant to Northampton County for the Minsi Lake Access project, specifically for improvements to the boat launch area.

Community leaders gathered to walk around — literally — and brainstorm ways to make things safer for those who don't drive. The effort will last into the fall and involves several communities in Lehigh and Northampton counties.

The Lehigh Valley is locked in a prolonged period of chilly and unsettled weather, and forecasters say a coastal storm could bring significant and much-needed rain for the weekend.

People who stayed up late Sunday night were treated to an incredible display of the northern lights, which were visible in the Lehigh Valley.

The National Weather Service issued a severe thunderstorm watch for Lehigh, Northampton, Carbon, Monroe and several other eastern Pennsylvania counties.

Take a look at stories throughout the week of which we are most proud, had a profound impact on readers or that you might want to look at again.

Mayors in Allentown, Bethlehem and Easton are coming together to fight against worsening climate change and strengthen sustainability across the region. Two of the three cities have their own climate action plans.

There are plenty of ways to celebrate Earth Day on Saturday, April 22, in the Lehigh Valley.

The first new building on Muhlenberg’s campus in more than a decade, the Fahy Commons for Public Engagement and Innovation, 2400 W. Chew St., opened in January. The 20,000-square-foot, three-floor building cost $13.2 million and is one of the first buildings in the world expected to achieve a rigorous sustainability certification for buildings that give more than they take.