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.

Registration is open for the Nurture Nature Center's Youth Climate Summit of the Lehigh Valley, a free event April 19 and 20. The summit aims to engage middle and high school students in climate change issues, as well as seek solutions.

WLVR's Megan Frank talks with journalists Stephanie Sigafoos and Julian Abraham.

A complex storm system will bring snow to the Lehigh Valley on Friday before temperatures tumble, forecasters warn.

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

The Lehigh Valley is under a winter weather advisory and will see accumulating snow for the second time this week. But totals could be higher, with a lot of variables at play.

Easton's Nurture Nature Center may be able to add a new immersive dome theater to their location, provided they receive a parking variance and government clearance to use funding for the project.

The Lehigh Valley won't get a break from snow and brutal cold. Another storm is brewing for the region on Friday.

The National Weather Service recorded 3" of snow at Lehigh Valley International Airport by 1:00 p.m. on Tuesday, where school closures opened up a world of opportunity for some kids who wanted to get outside and do some sledding.

North Whitehall Township's Klusaritz Family Farm was recognized at the Pennsylvania Farm Show as one of six farms across the state that had been in the same family for more than 100 years.

Snow and freezing temperatures brought slick roads and travel disruptions to the Lehigh Valley, with the coldest days of the winter expected after the storm.

Easton is looking for a new conservation management apprentice, a position which will entail planting and maintaining urban trees throughout the city.

Several districts announced they would be closed Tuesday because of the weather forecast, which calls for 4 to 6 inches of snow in the Lehigh Valley.