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.

Allentown's EAC accomplished a lot in the past year, including successfully lobbying for two pieces of legislation and supporting a sustainability coordinator for the second year.

Excelsior Farms was one of nine farms across the state recognized at the 109th PA Farm Show that have been in the same family for 100 years or more.

In the current night sky, Venus and Mars both happen to be clear and visible to the naked eye.

Join Megan Frank at 9:30 a.m. and 6:30 p.m. every Friday for Insights with LehighValleyNews.com on WLVR. This week, Brittany Sweeney takes her place with reporter Phil Gianficaro and social media specialist Grace Oddo.

Delta flights to and from Atlanta were among those impacted at Lehigh Valley International Airport on Friday.

There's plenty to see, and eat, at the PA Farm Show in Harrisburg. Check out our reviews.

Just like Monday, which offered little in terms of intense snowfall, Saturday’s wintry weather could essentially be a “non-event” for much of the Lehigh Valley and the rest of the region, the National Weather Service said.

The 109th PA Farm Show is in full swing and continues through Saturday in Harrisburg. Find out how Lehigh Valley competitors placed in the Family Living and Commodities competitions.

The Lehigh Valley Zoo’s barnyard birds, waterfowl and penguins are off exhibit. A recent suspected bird flu outbreak in wild geese is to blame.

The weeklong 109th PA Farm Show is well underway. More than a half-dozen Lehigh County 4-H’ers already have competed in various categories, from swine and sheep to breeding and market beef.

The latest snow storm has shifted south, meaning the area should see a few inches of snow from early Sunday morning into Monday. Surrounding areas are expected to experience hazardous travel conditions.

The U.S. Fish and Wildlife Service is collecting public input about listing the monarch butterfly under the Endangered Species Act. Officials estimate the eastern migratory population has declined by approximately 80%.