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.

City officials gathered Thursday in the City Hall’s rotunda for an annual update on the city’s Climate Action Plan, a document that outlines strategies to decrease carbon emissions and mitigate the effects of climate change.

The Chicago area was digging out last week after a band of lake-effect snow buried the Windy City, dropping up to a foot in some areas. Could the Lehigh Valley be far behind?

For November, we’re taking a look at comets, with three getting a lot of attention as they pass through our inner solar system.

The new role with the public utility and wastewater authority is aimed at strengthening transparency, community engagement and collaboration with regional partners.

The Allentown Environmental Advisory Council is working on a survey for residents about containerization, an effort to decrease litter across the city.

A 4-H'er from Walnutport and his horse, Skipa Star Goer, placed first in the pleasure horse driving class during the show, held late last month in Harrisburg.

The submission proposing the construction of 2.6 million square-feet of data center facilities closely aligns with Air Products' existing plan for warehouses on the 194-acre property.

Northampton County celebrated the acquisition of the Bauer Preserve, its 23rd park, in Stockertown on Thursday.

Four surplus male bison from the Lehigh Valley Zoo will be donated to the Wildlife Restoration Foundation for transfer to a member of the InterTribal Buffalo Council in New York. The recent loss of the dominant male bison at the zoo necessitated the transfer.

Space weather forecasters have issued an alert for incoming severe solar storms. Such storms could bring northern lights to many U.S. states and temporarily disrupt communications.

The draft plan is the product of a series of well-attended public-input meetings over the past year.

For the second year, the nonprofit water and wastewater utility has launched a public outreach campaign about lead pipes. Under a new EPA rule, utilities have until 2037 to remove all lead service lines from its system.