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.

“This is not just a one-day spike,” the weather service said in its forecast discussion. “Very warm and above normal temperatures will continue through the upcoming weekend.”

Officials and executives at the Lehigh Valley Economic Development Corporation's annual meeting Tuesday pulled back the curtains on Eli Lilly's decision to open in the region.

The winter storm that prompted dire forecasts and a statewide disaster declaration largely fizzled in the Lehigh Valley, leaving the area with only moderate to light snowfall by Monday morning.

As the Lehigh Valley’s most recent blanket of snow rapidly melts away, Mother Nature appears ready to test the region’s patience all over again.

The early LIHEAP crisis numbers already represent a notable share of last winter’s total in the Lehigh Valley, according to data provided by the Department of Human Services.

An extreme cold warning, combined with a wind advisory also in effect, could mean wind chills as low as 20 degrees below zero for the region this weekend.

A webinar Monday brought together regional planners, engineers and industry leaders to explain how data centers operate and what their growth could mean for local communities.

Protein is king in the world of nutrition at the moment, but there are plenty of questions surrounding the trend. Let's take a look at what it is, where to get it from, and how to navigate the complex world of nutrition.

Month-to-date snowfall in the Allentown area now stands at 20.8 inches, nearly triple the normal January average of 7.7 inches, according to the National Weather Service.

The storm dropped a record 11.8 inches of snow on Lehigh Valley International Airport, breaking the old record of 10.4 inches for the date set in 1988.

Forecasters say the Lehigh Valley region could see 10 to 16 inches of snow and sleet accumulations, with a wintry mix of snow and sleet expected Sunday afternoon and evening. A winter storm warning remains in effect into Monday afternoon.

Lehigh Valley shelters are adding capacity as meteorologists forecast between 10 and 16 inches of snow starting Sunday.