Environment & Science

Mackenzie, along with officials from Wildlands Conservancy, the Appalachian Mountain Club and the Delaware & Lehigh National Heritage Corridor, on Wednesday morning hiked a portion of the property, lauding the federal Land and Water Conservation Fund that helped preserve it.

Easton's Environmental Advisory Council is continuing to work on an ordinance aimed at decreasing light pollution throughout the city.

For this year’s event, set for Sunday, officials are cutting out single-use water bottles and trading plastic medal packaging for paper, among other sustainability initiatives.

More than three dozen law enforcement professionals from the Lehigh Valley and beyond took part in the first training at the newly opened Joni Berner Esq ‘75-Expert Witness Training Center & Crime Scene Laboratory.

This month is a peak time to view comets in the nighttime sky. "Watching the Skies" host Brad Klein and Bethlehem's "Backyard Astronomy Guy" Marty McGuire review what astrological visitors to keep an eye out for as they pass through Earth's backyard.

A group of demonstrators called on Congress Friday to permanently protect the Arctic from drilling, as well as drum up support from Lehigh Valley residents.

“Creating a Micro-Forest: A Step by Step Guide" is available free on the city's website. Officials said it's a tool to help municipalities, schools or other organizations interested in building a micro-forest.

Opponents of the Easton Commerce Park project, particularly the plan to move a tributary on the property, had a chance to voice concerns to the Easton's Zoning Hearing Board on Monday night.

A little more than a month into Pennsylvania’s fall foliage season, both Lehigh and Northampton counties are predicted to be at peak color.

This week, a rare interstellar comet is passing through our solar system. It was detected by an array of telescopes designed to warn astronomers should a comet be on a collision course with Earth.

PPL Electric Utilities and Met-Ed reported more than 13,000 customers without power Tuesday morning as a winter storm swept through the region.

Several Lehigh Valley schools are closing Tuesday because of the weather forecast.

Early Monday, the National Weather Service issued a winter storm warning in effect for the Lehigh Valley for 7 to 10 inches of snow, with locally higher amounts over the higher elevations.

One area of potential concern at the Allentown State Hospital had been the presence of dioxins in the soil. Dioxins are a group of toxic chemical compounds that take a long time to break down in the environment, and can cause health problems in people.

Betelgeuse is the red supergiant star at Orion’s ‘right shoulder.’

Lehigh and Northampton counties are under a winter storm watch in effect from 12 a.m. to 6 p.m. Tuesday, with 4 to 8 inches of heavy, wet snow possible.

Take a look at stories that ran throughout the week of which we are most proud, had a profound impact on readers or that you might want to look at again.

It’s a special year for cicadas, insects known for their high-pitched mating songs. Two adjacent broods are expected to co-emerge for the first time in 221 years. Here's the next time they emerge in the Valley.

Northern flying squirrels are endangered, and the Pa. Game Commission works to improve their habitat. A group went searching for the species in the Poconos.

Stanley cups have skyrocketed in popularity, following other trends in reusable drinkware. But, fads like these can encourage overconsumption, experts said.

Right now, the overall pattern isn’t very conducive to significant snowfall for the Lehigh Valley and the Mid-Atlantic next week. Here's what will make or break the event for snow lovers.

The state agency that promotes hunting in Pennsylvania has hired a lobbying firm run by a former top lawmaker using tens of thousands of dollars in public funds.