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.

The National Weather Service has upgraded its flood watch for the Lehigh Valley and surrounding areas, in addition to severe weather and heat watches.

The unanimous vote to support the years-in-the-making plan came at the very beginning of a special meeting of the EAC dedicated to a mid-year goal review. The group also discussed progress on this year's goals.

After devastating flash flooding in Texas earlier this month claimed the lives of at least 135 people, scientists and experts are warning similar conditions could happen in the Lehigh Valley.

Sustainable Pennsylvania is a voluntary program focused on helping municipalities improve sustainability to save money, conserve resources and improve residents’ lives.

This week, a look forward to one of the year’s best meteor showers, the Perseids.

Dangerous heat is expected Monday through Wednesday in the Lehigh Valley, with concerns of excessive rainfall on Thursday before much cooler air arrives.

Lehigh Valley Planning Commission advised against a change in Plainfield Township's landfill ordinance that could potentially grant more power to landfill operator Waste Management.

Excessive humidity and extremely warm temperatures have prompted a heat advisory for the Lehigh Valley on Friday. On top of the heat, there's a risk of severe weather and an unsettled weekend ahead.

Part of Climate Action Campaign’s Extreme Weather Emergency Tour, the event centered on how extreme weather, exacerbated by climate change, has deadly consequences.

Easton City Council approved a measure to partner with Solsmart, an organization which helps facilitate the growth of solar energy communities across the country, at their Wednesday meeting.

While The Dorothy Rider Pool Wildlife Sanctuary is closed to the public after an April bridge collapse, officials had to get inventive — and adventurous — for camp to happen this summer.

The Da Vinci Science Center and Friends of the Allentown Parks are partnering to make science more accessible to Allentown kids and open their eyes to what's around them.