Environment & Science

Advocates and officials across Pennsylvania have signaled their support the new standards for fine particle pollution, also called soot or PM 2.5. However, federal officials don’t anticipate communities will meet the standard for almost a decade.

Norfolk Southern crews remained at the derailment site along the Lehigh River in Lower Saucon Township. The company released no details on what the trains were hauling or where they were going.

More than 200 years after the sanctuary was built, church leaders are working to make its heating and cooling more sustainable. While work is already underway, the oldest Moravian Church in North America still needs funding.

After a washout Saturday in the Lehigh Valley, forecasters say a parade of storms could easily produce another 2 to 3 inches of rain or more over the next week.

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

Lehigh Valley Breathes aims to monitor air quality amid emissions from trucking and warehousing. Here's the February update.

With spring still weeks away, state forest officials are gearing up for this year’s spongy moth hatch. Here's what Lehigh Valley residents need to know.

While many customers are waiting for their power to be restored after the wind storm in the Lehigh Valley, estimated repair times are putting some areas on a longer waitlist. Check out the logic behind those estimates and what they really mean.

An "all-day rain type of event" Saturday will serve as an advertisement for the Lehigh Valley's weather in the long-term. The front half of March in a word is "wet."

A half-dozen city leaders and environmental advocates highlighted the economic, environmental and public health benefits the implementation of clean truck standards could reap across the Valley.

Looking back on two of 2024's "Skies" highlights with Brad and Marty.

PA Utilities Commission offers doable tips for getting through predicted winter blast and keeping pets safe. Include checking on elderly and disabled.

Ice Cream Wars is described by the Da Vinci Science Center as the 'sweetest competition in the Lehigh Valley.'

Unforeseen issues and obstacles have pushed the timeline for Lehigh Valley Breathes back. The regional air monitoring project aims to measure fine particle pollution.

Easton's Nurture Nature Center is searching for stargazers to join in the Hubble Night Sky Observing Challenge, where participants look out for some of the spectacles the legendary telescope has photographed.

The 109th PA Farm Show opens this weekend in the state capital, kicking off a week of competitions and demonstrations. Here's what you need to know about admission, parking and more.

With the system three days away, the weekend will serve as the calm before the storm, with questions remaining on exactly where it will track and how much snow will fall across the region.

Preliminary testing showed the presence of highly pathogenic avian influenza. Sick birds were also found at both locations.

January is National Radon Action Month. Public health officials are urging residents to stay informed of the risks, test and support legislative efforts to increase testing.

While Friday may only bring a dusting to an inch of snow for the Lehigh Valley, forecasters say it could be a sign of things to come. They're watching trends for Monday continue to pull the next system north.

The Lehigh Valley Audubon Society, in partnership with the Lehigh Gap Nature Center, is holding its 10th annual Christmas Bird Count for Kids on Saturday, Jan. 11.

The National Weather Service said Monday the scenario will lead to “exceptionally high probabilities of below-normal temperatures expected across much of the East," but the true intensity of the cold is still unknown.