Environment & Science

The Lehigh Valley is under a code red alert. Here's what you should know about Thursday's municipal and school district activity cancellations and reopenings.

The latest map issued by the U.S. Drought Monitor shows a majority of Pennsylvania — including most of the Lehigh Valley — in a moderate drought.

Air quality in the Lehigh Valley is expected to be a little bit better on Thursday, though we're back under a code red alert for the second straight day.

As smoke from the Canadian wildfires continues to shroud the skies of the Lehigh Valley, air purifiers have become a hot-ticket item at just about every retailer.

Lafayette on May 26 submitted plans to replant College Hill after it was deforested for a $1.2 million walkway project. Here's the plan.

The Lehigh Valley is under a code red air quality alert in effect until midnight due to Canadian wildfires. Here are the latest updates on the smoke.

The air quality in Allentown, Bethlehem and Easton is so bad, it’s the equivalent of smoking more than 14 cigarettes.

Smoke from wildfires in Canada can be seen and smelled in much of the northeast, including the Lehigh Valley. Local pulmonologists are weighing in with what to do to avoid too much exposure.

The Lehigh Valley is under a code red air quality alert in effect until midnight.

The National Weather Service says thick smoke associated with wildfires in Canada is moving into parts of Pennsylvania and New Jersey.

Residents from the Lehigh Valley and beyond on Thursday attended the state Department of Environmental Protection’s last public comment meeting on the commonwealth’s interim environmental justice policy. The majority said the policy doesn’t go far enough.

Blue Mountain Resort took full advantage of a recent cold snap across the region to fire up the snow guns — and schedule Opening Day on Friday.

While plans for the site include homes, offices, restaurants and other facilities at the 200-acre East Side property, regulations call for at least 35%, or about 70 acres, to be preserved as open space for outdoor recreation.

Wildlands Conservancy’s first fall photography contest is underway, with entries due just before midnight Thursday. Officials said the contest aims to encourage residents to explore the outdoors, as well as share their interest in nature with others in the community.

The Lehigh County Authority used municipal meetings to highlight what upgrades were currently planned to Lehigh County's sewer system, and what might be needed form the local governments

The coldest air of the season thus far is arriving in the Lehigh Valley, with forecasters touting conditions favorable for snow showers and squalls this afternoon.

Starting this month, and running on select Thursdays through March, this year’s series includes officials from state and local agencies, as well as nonprofits. It's free for members and costs $5 for non-members.

Brad Klein reviews the week’s astronomical highlights with Bethlehem’s 'Backyard Astronomy Guy," Marty McGuire.

Less than a decade old and with trainees coming from all over the country, Rodale Institute’s Veteran Farmer Training program aims to give veterans the tools they need to pivot into successful farming careers, as well as spread knowledge about sustainable farming practices and regenerative organic agriculture.

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.

Two professors were recently awarded a three-year, $750,000 grant from NASA to help engage and retain women in STEM, or science, technology, engineering and math, disciplines. The college was one of seven institutions to get funding.

Hunters Sharing the Harvest, Pennsylvania’s venison donation program, has since 1991 built a network of deer processors and food pantries across the state, donating nearly 2 million pounds of venison. Deer rifle season begins Saturday.