Environment & Science

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.

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.

With Tropical Storm Debby on approach to the region, forecasters continue to refine key messaging on what the Lehigh Valley can expect. We're at a 'slight' risk for severe weather, with tornadoes the main threat. Both Lehigh and Northampton counties are also under a flood watch.

Officials came together in Easton to discuss energy efficiency and weatherization programs intended to help residents while cutting emissions Thursday morning.

Tropical Storm Debby has been flooding parts of the Atlantic coast as remnants make their way north. As a result, PA-Task Force 1 has been deployed to assist North Carolina in emergency response operations.

A cold front interacting with moisture from Tropical Storm Debby left the region awash in heavy rain on Tuesday, triggering flash flood warnings and water rescues. More rain will come Friday as Debby moves over the area.

North Whitehall Board of Supervisors on Monday hired engineering consultant Gilmore & Associates to create an Open Space Action Plan for the township.

Musikfest organizers have already eliminated paper food and beverage tickets, and started using renewable energy sources to power tents, vendors and beer trucks – but the work continues to make the event more environmentally-friendly.

The Lehigh Valley will begin to see impacts from Tropical Cyclone Debby on Tuesday, forecasters warn, calling expected rainfall a ‘predecessor’ event as the storm begins to crawl up the coast.

This week, Watching the Skies gives an update on the International Space Station, which is currently hosting two ‘extra’ American astronauts.

Saturday’s weather plagued Musikfest and there’s a chance more of the same is in store Sunday for the Lehigh Valley region. After a sunny Monday, heavy rain is in the forecast Tuesday.

Following a severe thunderstorm yesterday, the Lehigh Valley should brace for more intense weather

Downpours and thunderstorms are expected to ramp up across the region heading into the weekend. Here's what to expect if you have outdoor plans, especially if you're heading to Musikfest in Bethlehem.

Over the past few days, Lehigh Valley residents have complained of bad smells wafting through Bethlehem and surrounding areas. Residents have described the most recent heavy odor as a rotting smell.