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.

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.

Easton City residents can recycle their old, outdated electronics and appliances at 500 Bushkill Drive this Saturday. Most items can be recycled for free, while some others require a small fee.

It could take two weeks to fix operational issues at Kline’s Island Wastewater Treatment Plant on Union Street. Officials described the sewer odor as an ‘"earthy" or "rotten egg" smell, but said it is not harmful to human health.

This first round of designations included 483 tracts across the country, with only one in the Lehigh Valley. Officials said additional designations are slated for the next 12 to 18 months.

The eighth Martin's Guitar Wood Summit was held Thursday at Martin & Co. in Nazareth. The main topic centered on sustainability of forests that provide wood used for guitar construction.

Utilities reported thousands of customers without power early Friday in the Lehigh Valley after severe weather swept through the region Thursday night, and forecasters say another round of storms is on the way.

The storms on Thursday took out power across PPL's entire service area, spanning central and eastern Pennsylvania.

As the Lehigh Valley and beyond face extreme weather, officials shared weatherization techniques and options to make homes more energy efficient through federal funding.

A colony with tens of thousands of honeybees was removed Wednesday from beneath the roof of the government building. The honeybee population is shrinking. James Zdepski is looking to change that.

The dry, scorching start to September will slowly begin to ease on Thursday as severe weather takes aim at the Lehigh Valley.

Relief from the brutal heat and humidity has been pushed to later in the week, forecasters say. Wednesday's temperatures will climb into the 90s with heat indexes inching past 100 degrees.

A Red Cross volunteer from the greater Lehigh Valley just got back from assisting displaced people in Hawaii following devastating wildfires there. Her job was to try and reconnect families.