Environment & Science

3M Co. has committed up to $10.3 billion, payable over 13 years, for remediation of per- and poly-fluoroalkyl substances, or PFAS.

Officials from the state Department of Environmental Protection issued a Code Red Air Quality Action Day for all of Pennsylvania, including the Lehigh Valley.

A tornado warning was issued in the Martins Creek area of Northampton County on Monday afternoon as severe storms moved through. On Tuesday, the National Weather Service confirmed a twister had reached the ground.

Officials gathered at The Waterfront to highlight the Environmental Protection Agency’s $5 billion climate pollution reduction grants program.

The region had been in drought and running a deficit in the rain column, but things changed in a big way on Monday for some parts of the Lehigh Valley. Now, more heavy rainfall is on the way.

The council voted 3-2, approving the preparation of a new landfill ordinance, all while the original proposal is under court review.

Storms today could bring damaging winds, large hail, flash flooding or even a tornado or two across the region. The Lehigh Valley is now under an enhanced risk for severe weather.

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

Lehigh Valley Zoo officials this week publicly announced the birth of a bison calf, adding to the population boom of new animals at the zoo this year.

The greater potential impact with heavier showers and thunderstorms looks to be Friday and Monday, meteorologists say, with scattered storms over the weekend.

Penn State Extension this summer published "The Bees of Pennsylvania: A Guide to the Genera,” outlining the commonwealth’s more than 440 species of bees, organized by genus.

Senate Bill 980, introduced Wednesday, would phase out the manufacture, sale and use of firefighting foams containing per- and polyfluoroalkyl substances, or PFAS, beginning in 2026.

This week the question is: Are eclipses of the sun and moon common, or rare? The answer is … both!

For more than three decades, Hunters Sharing the Harvest has facilitated a venison donation program throughout Pennsylvania, creating a network of deer processors and hunger relief agencies. Find out how much was donated and where last season.

The National Weather Service said Friday that much of the Lehigh Valley and surrounding area has experienced its coldest August in about 10 years.

The 2025 autumn migration count has begun at Hawk Mountain. It's the longest running raptor migration count in the world.

The rain-or-shine event, open only to Northampton County residents, will take place Saturday, Oct. 4 at Northampton Community College, 3835 Green Pond Road, Bethlehem.

The Watershed Coalition of the Lehigh Valley was one of the half-dozen winners of this year’s Environmental Partnership Awards.

After a three-year hiatus, chick hatching is back at the Allentown Fair. The exhibition will be open daily at the Lehigh County 4-Club Livestock Experience tent.

The Lehigh Valley Planning Commission’s Environment Committee on Tuesday discussed a plan for a septic replacement system at the warehouse, planned for 2951 Betz Court.

Earth is circled by roughly 11,000 working satellites and thousands more that have outlived their working lifespan but are still in orbit.

South Whitehall Township commissioners passed the Kline's Island Sewer System Act 537 Plan at their Wednesday meeting, setting in motion a multiyear project to help manage the treatment plant's capacity. It serves numerous municipalities.