Environment & Science

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.

PPL said Wednesday it has hundreds of workers “ready to work around the clock to help get customers back online as safely and efficiently as we can." There were thousands in the dark early Thursday.

The chemical odor at Sharp Packaging Solutions that sent 54 employees to the hospital on Friday remains a mystery.

A wind advisory is in effect from 4 p.m. Wednesday until 4 a.m. Thursday, with northwest winds 20 to 30 mph and gusts of 40 to 50 mph expected. PPL said its ready to respond.

The father of a Moravian University student was found dead Thursday after a water incident Wednesday evening.

Three people were killed in Montgomery County after severe storms from Hurricane Ida hit the region on Wednesday.

A Lehigh Valley man is heading south to assist with Hurricane Ida relief efforts. The Red Cross volunteer boards a flight Tuesday and will help distribute supplies when he gets to the devastated area.

Much of the state is under a flash flood watch as the remnants of Hurricane Ida travel to the northeastern United States.

The U.S. Department of Energy held an online public meeting on Tuesday to find out how frontline communities in Appalachia are impacted by the growing ethane and petrochemical industries. Ethane is a byproduct of natural gas development and can be used to make plastics.

Despite piping hot August temperatures, artist Sarah Karess is hard at work on the mural at the Allentown Transportation Center.

Pennsylvania’s environmental regulator is levying an $85,666 penalty against Sunoco for issues with its Mariner East project in four counties last year.

If you’re planning a visit to a national park, you’ll need to pack a mask even if you’ve been vaccinated against COVID-19.

More than a dozen city leaders, including the mayors of Lancaster, Lebanon, York, Philadelphia and Pittsburgh, are calling on Congress to pass the Parks, Jobs and Equity Act.

A “Code Orange” air quality alert is now in effect across the Lehigh Valley.

Tucked into the latest state budget agreement is tens of millions of dollars in new sales tax breaks for companies that build and run server farms known as data centers.

About 37% of ticks in Pennsylvania are the kind that carry Lyme disease, according to the Tick Research Lab of Pennsylvania at East Stroudsburg University.