Environment & Science

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.

Even with several days of rain, the Lehigh Valley remains well below average in long term levels of precipitation. Here's how the rest of the month could shape up.

Videos posted to the Facebook group Slate Belt Chatter show a funnel cloud rotating and descending toward the ground. The weather service said a storm damage assessment will be conducted and more details provided later in the week.

Projects ranged from initiatives aimed at lowering food waste to renewable energy. When complete, the city will be the third of the Lehigh Valley’s major cities to publish a climate action plan.

The annual Envirothon is essentially a scholastic scrimmage for environmental science. Two Lehigh Valley teams have advanced to the state competition.

The so-called "morning star" is brightly visible for the remainder of spring, and easy to spot in the eastern sky just before sunrise.

The tool and seed library at Bethlehem Area Public Library's South Side branch, 400 Webster St., includes free seeds for all. Patrons can check out tools for a week with a library card.

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.

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.