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.

Two years after the start of the pandemic, they're ready for a full return of visitors.

A House committee approved legislation that allows more gas drilling and urges new pipelines.

The cost of fertilizer is up as much as 300% from last year.

The chemicals accumulate in the environment and don't easily break down.

Gov. Tom Wolf's budget proposal calls for an additional $5 million for the new hires.

Four of the 5 candidates participated in the 1st major debate of the Democratic primary.

State environmental officials have found PFAS in one-third of Pa. water systems.

Joro spiders are known for their 10-foot webs, among other things.

The problem will not be solved quickly or easily, some say.

Trout season opens across Pennsylvania on Saturday, April 2.

The case stems from the Clean Power Plan created during the Obama administration but never enacted.

Experts say vertical agriculture could be a key to future food security.