Environment & Science

Pennsylvania’s Department of Conservation and Natural Resources will host guided hikes in state parks and forests on Jan. 1. Lehigh Valley hikers may want to head to Jacobsburg State Park for a walk through Henry's Woods.

Public health officials want more Americans to get the latest COVID vaccine booster. Only 35% of people over 65 have gotten the shot, though 75% of COVID deaths are among people in this age group.

The region saw a temperature swing of nearly 50 degrees in less than 24 hours

Plans are in the works for flower CSAs — Community Supported Agriculture — subscriptions that will bring joy and color to 2023. Here's how you can sign up, and bring the fragrant anticipation of the blooms to come.

The appearance of a massive, rotating ice circle caught the attention of a city resident who captured drone video near Groundhog Lock along the Delaware Canal in Raubsville, south of Easton.

The extreme weather stretched from the Great Lakes near Canada to the Rio Grande along the border with Mexico. About 60% of the U.S. population faced some sort of winter weather advisory or warning, and temperatures plummeted drastically below normal from east of the Rocky Mountains to the Appalachians.

The National Weather Service says temperatures won't get out of the 20s again Monday. But the Lehigh Valley will see significant changes by the middle of the week.

Thousands in the Lehigh Valley and nearby remain without power as PPL sets up resource centers for those impacted

Will it snow next week? How about the week after? Weather enthusiasts are constantly hanging on "one model run in a sea of model runs," making the job of the local meteorologist even more difficult in trying to convey the forecast.

The region could see wind chills as low as -15 degrees overnight as temperatures rapidly fall. The expected high winds could lead to power outages due to falling branches. PPL says it has 2,000 workers ready to respond.

Less than a month after a strong, bad smell permeated through the city and surrounding areas for several days, prompting a state Department of Environmental Protection investigation, the odor has returned.

Lehigh Valley Breathes is behind schedule from the course established in August 2023. Here's what officials have learned so far — and how they plan to proceed.

The Lehigh Valley has been reshaped by a massive wave of development, both in industrial and residential, that has swept over the region the last three decades. While the development boom may be slowing, the impacts to the region’s economy and the environment are clear. (First of 5 parts)

After temperatures that felt more like October than August last week, forecasters say the Lehigh Valley will return to summer in a big way this week. Near-record heat is expected Wednesday.

The planets Jupiter and Mars will share a small patch of the eastern sky with the crescent moon, and the star Aldebaran on August 27. Here's how to see it.

A renewable natural gas plant adjacent to the Bethlehem Landfill opened on Tuesday morning.

“We have cooler air coming in," Lehigh Valley meteorologist Bobby Martrich said in his latest update. "Cooler air and refreshing air coming in for the next several days.” How far will temperatures fall?

More than 5 inches of rain was reported to have fallen in parts of the Lehigh Valley on Sunday, according to official data from the National Weather Service.

The free exhibit, “America’s Beautiful,” at Lehigh Gap Nature Center runs from Aug. 21 to Aug. 29. It includes 50 watercolor paintings of Smokey Bear.

More than eight months after announcing a $600 million price tag over the next decade to upgrade aging water and wastewater treatment infrastructure, the Lehigh County Authority is reaching out to major industrial users.

A full moon is on display the evening of Monday, August 19. The full moon of each month has one or more traditional names, and the August full moon is known as ‘the Sturgeon Moon.’

Swaths of the Lehigh Valley were inundated by heavy rainfall on Sunday, leading to flash floods and prompting water rescues. Some areas received nearly 5 inches of rain, with a secondary front set to bring more on Monday.