Environment & Science

A high school in Allentown was designated a K-12 Tree Campus and hoisted a new flag in celebration.

Amid a changing weather pattern, the Lehigh Valley is under a freeze warning Tuesday into Wednesday. Is this wintry feel a sign of things to come?

A bear was seen in a backyard in Palmer Township Saturday.

Lehigh Valley's 'Spooktacular' Hot Air Balloon festival is on Friday through Sunday and there's a lot more going on than just balloons

Monkeypox is getting a name change in parts of the country, but the change has not made its way to the Lehigh Valley yet. New York City’s health department recently announced it now will refer to the infectious viral disease as MPV.

The Lehigh Valley's fall cooldown came right on schedule, said Ryan Reed, a specialist at the state Bureau of Forestry. “Cold and dry are two of the best stimuli to bring on great fall colors.”

Two Allentown doctors who helped treat more than a dozen carbon monoxide-poisoned kids in are now sharing the story.

The spray drying services company is required to submit a detailed corrective action plan 15 days from the date of the letter, Oct. 4, explaining why the violations occurred and how they will be prevented in the future.

Bethlehem Mayor J. William Reynolds announced that the city will conduct a feasibility study for a new South Bethlehem Community Center.

A new recycling facility in the Easton Area will aim to sort recyclables from trash, avoiding contamination that renders an entire load a fate that sends it off to the landfill.

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.