Environment & Science

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.

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

The Lehigh Valley Planning Commission last week released a draft of its Priority Climate Action Plan, a document almost a year in the making aimed at tamping down the region’s carbon emissions and mitigating the effects of climate change.

The National Weather Service issued the warning Saturday afternoon for parts of Lehigh and Northampton counties, extending into Carbon County.

While the Lehigh Valley is no stranger to the effects of climate change, the new record is a startling reminder about how how global warming has local impacts.

“A very hot, soupy environment is going to lead to high precipitable water content and that means heavy rainfall,” one forecaster said of Friday's Lehigh Valley weather forecast.

Easton's Karl Stirner Arts Trail is an ever-popular destination for locals and travelers seeking a quaint and quick trip through a museum set along a strip of wilderness in the city.

June was cool, but July is proving to be HOT! When the weather switches from mild to extreme in a matter of days, doctors say more people come in with heat-related illnesses.

Humidity has ramped up in a big way as the region is mired in a prolonged period of unsettled weather. But it's this or smoke, meteorologists say.

State environmental officials, along with conservationists across the U.S., are partnering this summer for a firefly observation program called the Firefly Watch Community Science Project.

The Schnecksville zoo's annual Independence Day Celebration included patriotic enrichment for the animals, free flags for guests, as well as live music from the Allentown Hobo “Almost” Marching Band.

More people are clamoring for drone shows, which are quieter and safer than fireworks, but Chris Hopkins has the ability to deliver both, and more.

Earlier this month, the state Senate approved Sen. Lisa Boscola's bill, which would increase the fine and direct any fees collected towards bald and golden eagle conservation efforts across the commonwealth.

Fireworks shows in Allentown and Bethlehem could be in jeopardy on Tuesday as the Lehigh Valley continues to be at the mercy of Mother Nature in a sticky, sultry pattern that won’t relent.

The National Weather Service issued a severe thunderstorm watch for several counties in eastern Pennsylvania, including Lehigh and Northampton. The watch will remain in effect until 11 p.m. Sunday.

Three high school interns have been working at the Easton Urban Farm at the Easton Area Neighborhood Center. This is the third year for the high school program.