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."

The state Department of Environmental Protection will hold a public hearing from 6 to 9:30 p.m. Oct. 28 in Bethlehem to take public testimony about Keystone Cement Co.’s hazardous waste permit renewal application.

A look at NASA's latest space mission that could launch in early October.

Northampton County’s annual Household Hazardous Waste Drop-Off Event was held Saturday. More than 1,700 residents registered.

What can the Lehigh Valley expect as we head into meteorological fall? Experts have given their long-range outlooks for both temperatures and precipitation, and also weighed in on La Niña.

State officials on Thursday gathered at a Lancaster County dairy to announce the theme of the 2025 farm show. The farm show runs from Jan. 4 through Jan. 11 in Harrisburg.

The commonwealth's six-week leaf-peeping season has begun. Here's when the Lehigh Valley can expect peak colors.

The industrial and transportation sectors are responsible for the largest share of the Valley's greenhouse gas emissions. The findings will form the foundation the next project, a regional Comprehensive Climate Action Plan.

Work is underway to restore a half-mile section of the Monocacy Creek that runs through the Archibald Johnston Conservation Area. Officials aim to improve the stream’s health by restoring the natural flow.

Brad Klein reviews the week’s astronomical highlights with Bethlehem’s ‘Backyard Astronomy Guy,’ Marty McGuire. This week, they talk about the upcoming Lehigh Valley Space Fest.

Leaf-peeping season is right around the corner in the Valley, moving from north to south as temperatures drop into fall across the commonwealth. Here's why the region could see an earlier, shorter season.

The box tree moth, a highly destructive, invasive insect, was discovered for the first time in Pennsylvania, in two cemeteries in Erie County. A quarantine has been issued.

The “Stanley Jr. Kids Wheelbarrow and 7-piece Garden Set" has been recalled by the U.S. Consumer Product Safety Commission after the paint on the hoe and rake were found to contain lead levels exceeding the federal content ban.