Environment & Science

PPL on Tuesday afternoon hosted a webinar on its Deep Energy Retrofit Pilot program. Here's what Lehigh Valley homeowners need to know.

Five teams of volunteers competed Saturday to pick up the most garbage and litter from city streets. Here's who won.

Following heavy rainfall and flash flooding over the weekend, Northampton County Emergency Management Services is compiling an inventory of damages reported by municipalities.

The Lehigh Valley is under an air quality alert for the second straight day, but heavy downpours could wash out the smoke.

The “Take Action” campaign is designed to highlight connections for trail users through education and providing resources to boost engagement and opportunities to get involved and support the trail.

The heavy rains wreaked havoc on the region, already saturated by a round of storms last weekend. And more rain is expected this week.

With the strong possibility of more smoke this summer, the Valley's residents and event organizers are looking to the region’s leaders for guidance — but there’s no continuity or clear thresholds being imposed.

How much rain fell in the Lehigh Valley on Sunday, turning streets into raging torrents of water?

Smoke from the Canadian wildfires has been transported south and east and is moving into Pennsylvania.

Messinger and South Main streets in Bangor turned into a waterway after downpours hit early Sunday. Said one resident: “By the grace of God we didn’t lose power and everyone is OK. That is the most important thing."

In the Lehigh Valley, 22 out of just the last 30 days have seen dew points at or above 70, meaning nearly three-quarters of recent days have been sticky enough to feel more like Florida than eastern Pennsylvania.

A project of the Pennsylvania Municipal League and Sustainable Pittsburgh, Sustainable Pennsylvania is a voluntary program focused on helping municipalities improve sustainability to save money, conserve resources and improve residents’ lives.

Allentown police can hand out tickets to anyone caught swimming in natural waterways in the city, Mayor Matt Tuerk said, urging residents not to let a $100 fine “ruin your summer.”

The city was awarded funding through a state Department of Environmental Protection grant to buy seven electric vehicles. However, more funding is needed for charging infrastructure.

The National Weather Service issued a flash flood warning for the Allentown, Bethlehem and Easton areas until 9:30 p.m. In the Emmaus area, more than 2 inches of rain had fallen in two hours, a meteorologist said.

This week, Brad Klein and Marty McGuire talk about an observatory making waves in the astro-photography world: the new Vera C. Rubin Observatory in Chile.

The National Weather Service has issued a flood watch for Lehigh and Northampton counties — along with much of eastern Pennsylvania and parts of New Jersey — from Monday afternoon through the evening.

Lehigh University now has six immersive learning experiences, or virtual reality games, aimed at engaging students, residents and visitors.

Applications open next week for the Transportation Alternatives Set-Aside of the Federal Highway Administration’s Surface Block Grant Program.

A cold front colliding with a surge of tropical moisture is expected to produce widespread showers and storms, triggering a flood watch for the Lehigh Valley and much of eastern Pennsylvania.

A first-of-its-kind in the Lehigh Valley, the dome is expected to draw students and visitors both locally and from outside of Pennsylvania.

Moisture from Tropical Depression Chantal will bring the chance for scattered showers and downpours to the region, kicking off a stretch of unsettled weather with daily chances for storms throughout the week.