Environment & Science

Pennsylvania may not be the most vulnerable state during the Atlantic hurricane season, but emergency planners were particularly blunt Monday about the dangers it faces.

The center's annual Bake Oven Knob Autumn Hawk Watch begins in just over two weeks. Officials are hosting an informational Zoom session at 7 p.m. Aug. 9 to share the history of the count and volunteer opportunities, as well as how to count migrating raptors and some tips for identification.

While the Canadian wildfire smoke is only the latest threat, experts and professionals said there are ways to monitor and improve the indoor air residents are breathing.

In the Lehigh Valley, one vape is thrown away every 105 seconds. When they end up as litter or in landfills, hazardous materials can leach into soil and contaminate groundwater.

Extending from Allentown to north of Coplay, the gap, made up of two main sections delineated by the Lehigh River, is expected to be closed in a little over a decade, officials said.

The roads were closed after damage inflicted by heavy rainfall on July 16.

The Lehigh Valley Planning Commission on Thursday night voted against a proposed zoning ordinance amendment by Lower Saucon Township Council regarding the controversial landfill expansion.

Sen. Bob Casey has introduced the No Robot Bosses Act, which intends to protect workers' rights and regulate how companies use AI and algorithms in personnel decisions.

Sweltering conditions in the Lehigh Valley are forecast to end with a bang on Saturday, according to the Storm Prediction Center. But we have to make it through Friday first.

A second round of black fly treatments was slated to begin 10 a.m. Thursday in Bushkill Creek between Easton and Tatamy.

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.