Environment & Science

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.

Allentown Fire Department is warning against any outdoor fires due to dry conditions and elevated winds as a red flag warning continues for the region.

Lehigh Valley Planning Commission's comprehensive planning commission approved plans to expand the Plainfield Township landfill site Tuesday.

Ten months after a paranormal investigation at Miller Symphony Hall for TV show “Eric Mintel Investigates” was completed, the episode is premiering. The event also includes a costume contest, jazz duet, book signing and spirit readings.

Forecasters at the Climate Prediction Center say the region faces “equal chances” for above, near, or below-normal precipitation from December through February — meaning the odds of any outcome are roughly even.

This week, a look at the Orionid meteor shower. It peaks this week on Monday night-Tuesday morning.

Applications are open for the second Good Farmer Award U.S. Officials are looking for farmers with less than 10 years of experience who exemplify sustainable farming practices while contributing to community and environmental health.

Easton residents were surprised to see streetlights swapped to LED fixtures last week, and city officials have halted the Met-Ed conversion project to review details before continuing the project.

A crop farm in Lehigh County was included in the latest round of Pennsylvania's Farmland Preservation Program. Twenty-three other farms across the state were also preserved.

In its 10th year, and led by the Watershed Coalition of the Lehigh Valley, the conference theme was “Back to Basics,” and drew a sold-out crowd with about 180 people, including professionals and volunteers.

The Allentown Environmental Advisory Council on Monday unanimously approved a letter and draft resolution, urging city officials to use non-chemical methods to dispatch invasive plants.

The Walking Purchase, a 1737 land grab perpetrated by William Penn's sons, shaped the Lehigh Valley as residents know it today. But, the land wasn’t actually purchased, as the name might suggest — it was swindled from the Lenni-Lenape.

On Watching the Skies, WLVR's Brad Klein and Bethlehem's "Backyard Astronomy Guy" Marty McGuire talk about possible signs of life on Mars, as seen by NASA's Perseverance rover.

More than 130 people attended the panel, which focused on efforts across the state to tamp down on light pollution, not only to benefit star-gazers, but for fireflies and migrating birds, too.