Environment & Science

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.

It's going to be a wild and windy few days for the Lehigh Valley and the rest of the Mid-Atlantic region, forecasters say, with temperatures set to soar before a strong cold front arrives.

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

Temperatures will be a roller coaster this week, with Sunday's seasonably cool air giving way to a few days of spring-like temperatures but with a chance of rain.

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.

Even with temperatures set to surge next week, experts say Mid-March could see a pool of cold air spilling into the Lower 48, potentially unleashing cold, stormy conditions.

A bright meteor raced across the skies around 6:50 p.m. Wednesday, with people near the Lehigh Valley reporting the sighting.

More than 100 businesses, officials, organizations and environmental advocates statewide — including two from the Lehigh Valley — signed a letter to Shapiro arguing his economic development plan, “Pennsylvania Gets It Done,” fails to prioritize sustainable industries and instead doubles down on fossil fuels.

LANTA and UGI Energy Services have signed a three-year deal that will provide the transportation authority with compressed natural gas collected from landfills in eastern Pennsylvania.

The Lehigh Valley stands alone as the only major climate site in the area with above-average snowfall this winter, but the pattern says winter could be just about over.

Meeko is on a mission to save the planet from single-use plastic.

Opponents say joining RGGI will be an economic hardship on the state's energy sector.

Rep. Daryl Metcalfe has boosted fossil fuels and denied climate change.

The program is back for the start of 2022 after being canceled last year due to the pandemic.

After all but vanishing by the 1960s, the species is now self-sustaining in Pennsylvania.

Game Commission biologist Art McMorris has spent 18 years working on behalf of the winged predators.

Environmental justice areas include neighborhoods that shoulder more than a typical share of climate and environmental risks.

If the Farmers' Almanac prediction becomes reality, don't look for an early spring.

The initiative with 11 other states would charge power plants for carbon dioxide they emit.

The American Red Cross has mobilized volunteers from around the country, including Pennsylvania, to help victims of the recent tornadoes.

Doctors had said amputation would be the most likely outcome after a 2020 car crash.

The Japanese Barberry may look pretty but ticks that spread Lyme disease love living in them.