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.

Officials came together in Easton to discuss energy efficiency and weatherization programs intended to help residents while cutting emissions Thursday morning.

Tropical Storm Debby has been flooding parts of the Atlantic coast as remnants make their way north. As a result, PA-Task Force 1 has been deployed to assist North Carolina in emergency response operations.

A cold front interacting with moisture from Tropical Storm Debby left the region awash in heavy rain on Tuesday, triggering flash flood warnings and water rescues. More rain will come Friday as Debby moves over the area.

North Whitehall Board of Supervisors on Monday hired engineering consultant Gilmore & Associates to create an Open Space Action Plan for the township.

Musikfest organizers have already eliminated paper food and beverage tickets, and started using renewable energy sources to power tents, vendors and beer trucks – but the work continues to make the event more environmentally-friendly.

The Lehigh Valley will begin to see impacts from Tropical Cyclone Debby on Tuesday, forecasters warn, calling expected rainfall a ‘predecessor’ event as the storm begins to crawl up the coast.

This week, Watching the Skies gives an update on the International Space Station, which is currently hosting two ‘extra’ American astronauts.

Saturday’s weather plagued Musikfest and there’s a chance more of the same is in store Sunday for the Lehigh Valley region. After a sunny Monday, heavy rain is in the forecast Tuesday.

Following a severe thunderstorm yesterday, the Lehigh Valley should brace for more intense weather

Downpours and thunderstorms are expected to ramp up across the region heading into the weekend. Here's what to expect if you have outdoor plans, especially if you're heading to Musikfest in Bethlehem.

Over the past few days, Lehigh Valley residents have complained of bad smells wafting through Bethlehem and surrounding areas. Residents have described the most recent heavy odor as a rotting smell.

Another wave of heat is forecast for the Lehigh Valley and a large swath of the region in the coming days, with heat index values up to 100 degrees expected, the National Weather Service said.