Environment & Science

January is National Radon Action Month, and officials from the American Lung Association are offering a limited supply of free radon test kits for commonwealth residents, including those in the the Lehigh Valley.

The weekend storm threat would be the area’s first significant snowfall in years, but forecasters say we have a long way to go to determine the final impacts.

From 4:30 p.m. to 6:30 p.m. on Jan. 10, college officials are opening up the Fahy Commons for Public Engagement and Innovation, 2400 W. Chew St., for residents and community members to explore.

The James Webb Space Telescope, launched on Christmas 2021, orbits the Sun about a million miles outside Earth’s orbit. It is the most powerful, largest, and most complex telescope ever made.

This New Year’s Day, tens of thousands of people across the country, including dozens in the Valley, will take a guided hike through a state park to mark the beginning of 2024.

December 2023 is now the wettest December on record in the Lehigh Valley, with a total of 8.17 inches of rainfall recorded as of 11:59 p.m. Wednesday. The high water mark was set during a day of record rain for Dec. 27.

The ski slopes just southeast of Lehigh County announced it would shut down at 3:00 p.m. Tuesday, awaiting colder weather to make snow

With a forecast projecting 1 to 1.5 inches of rain possible this week, the Lehigh Valley will move closer to its wettest December ever.

Lawmakers in Harrisburg passed nearly three dozen laws last week in a final burst of action as they held their last voting session of the year.

Look for the full moon on Wednesday, Dec. 27

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.

A flash flood warning is in effect for parts of Lehigh and Northampton counties until 11:30 p.m. It follows a line of severe thunderstorms and a flood watch that will be in effect until 2 a.m. Monday.

The arrival of a slow-moving system will make for an unsettled weekend, forecasters say, with an excessive rainfall risk and potential flash flooding Sunday for the Lehigh Valley.