Environment & Science

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.

Any fires that develop may quickly get out of control and become difficult to contain, the National Weather Service said in a red flag warning in effect for the area until 8 p.m.

A brush fire closed Route 33 Southbound in Wind Gap early Monday afternoon, backing up traffic for miles, as crews battled a series of blazes in Northampton and Monroe counties, officials said.

The college resubmitted plans May 26, two weeks after Easton officials sent a letter notifying officials that the walkway project had deforested a portion of a slope without city approval.

A three-person crew from Joshua Tree Experts spent hours pruning the trees on Camelot for Children's campus. The work was donated through the company's #JTGivesBack initiative.

City Conservation Manager Rob Christopher and Ian Kindle, chair of Easton's Environmental Advisory Council, called on college officials to repair the deforested slope in a joint email sent Friday.

Spring wildfire season runs from March through May across the commonwealth. State officials are urging residents to do their part to prevent wildfires.

Despite a warm surge this week, forecasters say it’s going to feel more like winter in the Lehigh Valley as we head towards the official first day of spring.

It’s expected to be a busy day for power crews in the Lehigh Valley with a wind advisory in place until 8 p.m., northwest winds of 20 to 30 mph and gusts up to 55 mph. Met-Ed and PPL Electric Utilities were reporting scattered outages.

The 120-acre park in Northampton County boasts more than 100 species of trees and shrubs from around the world. "What's unique is it's in a public park setting. It's run by county park staff, not a nonprofit or not a for-profit entity,” the superintendent said.

The clocks went forward, but the weather turned back a season on Sunday as blinding snow squalls pushed through the Lehigh Valley. A wind advisory remains in effect Monday.

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

Dozens of students from across Pennsylvania will descend on Saucon Valley Middle School’s gymnasium for FIRST Tech Challenge’s robotics state championship, including two teams from the Lehigh Valley.

Pennsylvania’s maple sugaring season is well underway. At the Monroe County Conservation District’s Singing Hemlock Sugar Shack, educators guided visitors through the history of maple syrup production.

A flood watch remains in effect from 1 p.m. Saturday through Sunday evening for a large swath of the region, including Lehigh and Northampton counties.

Forecasters say a weekend storm will not only bring active weather, windy conditions Sunday and Monday are likely to bring isolated instances of tree damage and power outages to the Lehigh Valley.