Environment & Science

The rule was published earlier this month and applies to all 3,117 water systems. Both chemicals belong to the group of perfluoroalkyl and polyfluoroalkyl substances, known collectively as PFAS, which are used in products such as nonstick cookware, carpets, firefighting foam and fast-food wrappers.

A winter weather advisory remains in effect until 4 p.m. Wednesday, with snow coming down in a predicted burst across much of the Lehigh Valley.

The Palmer Township supervisors rejected a proposal for a 185,000-square-foot manufacturing center near a housing development in the northern end of the township.

The Lehigh Valley Planning Commission's comprehensive planning committee gave preliminary approval for a warehouse development in Upper Saucon Township and a recycling plant in Plainfield Township.

A storm system is forecast to approach the Lehigh Valley on Wednesday and bring with it a variety of wintry hazards, prompting the National Weather Service to issue a winter weather advisory.

A complex storm system is taking aim at the Lehigh Valley on Wednesday, and the midweek event could bring an extended period of snow to the area. But forecasters caution the "warm nose" of the storm could spoil the event for some.

With all the precipitation that's fallen — 5.86 inches since Dec. 1 — we could've been buried under 58+ inches of snow so far this winter. But those storm systems haven't had much cold air to interact with, and it's made all the difference.

Trails are still up and skiers are still coming, just not at full capacity

PennVEST has approved an $8,022,000 loan for the Bethlehem Township Municipal Authority to improve stormwater retention for flood prevention throughout Bethlehem Township.

Alivia Giles, a Hellertown resident, competed against her family and friends in rabbit showing at the 2023 Pennsylvania Farm Show is Harrisburg.

Lehigh Valley residents eager to begin their spring gardening are looking toward the last frost and freeze dates for the area — but they'll have to be patient.

Ruth Santiago, an attorney and environmental activist in Puerto Rico, is returning to the Lehigh Valley this month to speak to students and residents about alternative electrical systems and environmental equity amid climate change.

Take a look at stories throughout the week of which we are most proud, had a profound impact on readers or that you might want to look at again.

The commonwealth is getting $265.9 million in federal funding to upgrade its aging water infrastructure. The state has the fourth most lead pipes in the nation, according to a recent EPA survey.

The spring migration count at Hawk Mountain has begun. So far this season, 137 birds of prey have been recorded.

Allentown’s Cedar Creek Park was covered Thursday in lesser celandine, a low-growing, mat-forming flower that’s been flagged by the Department of Conservation and Natural Resources.

It’s not unprecedented, but it is a little bit too early for the kind of warmth the Lehigh Valley will see next week, said meteorologist Bobby Martrich.

The U.S. Environmental Protection Agency on Tuesday released the results of the agency's "7th Drinking Water Infrastructure Needs Survey and Assessment." Pennsylvania ranked only behind Florida, Illinois and Ohio for the most lead service lines.

Firefighters battled a massive fire at a warehouse in West Easton early Tuesday, with multiple explosions heard from the property. The fire was declared under control after more than five hours.

A new North Whitehall Township plan that considers building a skate park, amphitheater, disc golf, splash pads and more as outdoors activities increase got township supervisors' approval Monday.

The Monocacy Creek Watershed Association and Bethlehem's Environmental Advisory Council are hosting a spring clean-up April 8 at Monocacy Creek. Last year, volunteers collected more than 2,000 lbs. of garbage.

A line of storms that spared the Lehigh Valley on Saturday raked the Philadelphia region and surrounding areas, with eight tornadoes confirmed by the National Weather Service.