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.

Blue Mountain Resort took full advantage of a recent cold snap across the region to fire up the snow guns — and schedule Opening Day on Friday.

While plans for the site include homes, offices, restaurants and other facilities at the 200-acre East Side property, regulations call for at least 35%, or about 70 acres, to be preserved as open space for outdoor recreation.

Wildlands Conservancy’s first fall photography contest is underway, with entries due just before midnight Thursday. Officials said the contest aims to encourage residents to explore the outdoors, as well as share their interest in nature with others in the community.

The Lehigh County Authority used municipal meetings to highlight what upgrades were currently planned to Lehigh County's sewer system, and what might be needed form the local governments

The coldest air of the season thus far is arriving in the Lehigh Valley, with forecasters touting conditions favorable for snow showers and squalls this afternoon.

Starting this month, and running on select Thursdays through March, this year’s series includes officials from state and local agencies, as well as nonprofits. It's free for members and costs $5 for non-members.

Brad Klein reviews the week’s astronomical highlights with Bethlehem’s 'Backyard Astronomy Guy," Marty McGuire.

Less than a decade old and with trainees coming from all over the country, Rodale Institute’s Veteran Farmer Training program aims to give veterans the tools they need to pivot into successful farming careers, as well as spread knowledge about sustainable farming practices and regenerative organic agriculture.

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.

Two professors were recently awarded a three-year, $750,000 grant from NASA to help engage and retain women in STEM, or science, technology, engineering and math, disciplines. The college was one of seven institutions to get funding.

Hunters Sharing the Harvest, Pennsylvania’s venison donation program, has since 1991 built a network of deer processors and food pantries across the state, donating nearly 2 million pounds of venison. Deer rifle season begins Saturday.

Widespread heavy rains moved out of the Lehigh Valley early Wednesday, with the storm expected to bring a wintry mix across New England and the interior Northeast on the day before Thanksgiving.