Environment & Science

A Muhlenberg College professor has launched a campaign this month to inform residents about the health risks of radon, as well as improve access to testing and mitigation. The Lehigh Valley is home to the highest radon levels ever recorded in Pennsylvania.

Sunday evening will see a ‘close approach’ between Saturn and the Moon. Though the two appear close in the night sky just after sunset on Jan. 14. However, in space, Saturn is almost a billion miles away, about 4,000 times more distant than the moon.

The Lehigh Valley and surrounding areas are under a flood watch from Tuesday afternoon through Wednesday afternoon, according to the National Weather Service.

With some parts of the Lehigh Valley under as much as 9 inches of snow, the National Weather Service says the storm’s not quite done yet.

Olivia Louise McMahon traveled to Dubai last month as part of Penn State University's delegation to the United Nations Climate Change Conference. Officials from around the world discussed how to limit the effects of climate change already present and prepare for further impacts.

The funding for four projects came from the Growing Greener and Act 167 grant programs, both through the state Department of Environmental Protection.

Emergency Management agencies at the county and state level, as well as cities in the Lehigh Valley say they're ready for whatever happens after the snowstorm: including a risk of severe and dangerous flooding.

The proposed hydrogen tax credit rules that could be worth billions for projects, including those in Pa.

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.

Lehigh County Authority officials in mid-April sent the Kline’s Island Sewer System, or KISS, regional wastewater plan for municipal review. It's the next step in a years-long process to make much-needed upgrades to wastewater infrastructure.

Twelve billboards have been posted in and around the city, several at high-traffic areas like Route 22, Interstate 78 and the turnpike. They’re part of a campaign from More Perfect Union.

A couple dozen riders assembled at Bethlehem City Hall on Thursday ahead of a six-mile group ride for the occasion — one with a goal of changing public outlook toward choosing a bike to commute.

The funding — totaling $3.4 million across 23 counties — is part of the Fresh Food Financing Initiative. It follows the cancellation of $13 million in contracted funding through the USDA’s Local Food Purchasing Assistance program.

After the $1.43 million purchase, approved Thursday, 44 acres near Main Street and Old Mill Lane will become the Bushkill Creek Greenway.

Right on the heels of Friday’s warm front, the Lehigh Valley will see a cold front move in Saturday. Rounds of storms are expected both days, forecasters say.

PennEnvironment's State of Renewable Energy 2025 ranks every state for the production of wind energy, solar power, energy storage and other metrics over the last decade, tracking growth.

The Quest for the Golden Grabber is an effort to engage community members in a friendly competition while cleaning litter from the D&L Trail. This was the second year.

Gemma, a fisher, has died, zoo officials announced Monday. She was an animal ambassador at the zoo for more than a decade.

State parks across the commonwealth are gearing up for what could be a very busy summer season as some federal campgrounds shutter due to staffing shortages.

The tornado that touched down Tuesday evening in Bangor has been categorized by the National Weather Service, according to a statement issued Wednesday. The agency estimated peak winds reached 80 to 90 mph with a path length of about 1.50 miles and a maximum path width of 100 yards.

Easton's Environmental Advisory Council voted unanimously to draft and send a letter opposing the Easton Commerce Park to the city’s planning commission. The project is slated to go before the commission Wednesday.