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.

Allentown students took part in STEM activities, including stepping into an airplane cockpit, when Captain Barrington Irving flew into town with some hands-on critical thinking activities from his Flying Classroom.

On Thursday, Lehigh Valley Zoo broke ground on a $10 million multi-phase project, with initial work on a new barn area and accessible playground set to be finished in the fall.

The Lehigh Valley has a history of flooding, and climate change could be increasing the risk. With federal funding cut or on the chopping block, officials warn the Valley could be left unprepared.

While the risk area covers a significant portion of the region, the greatest flash flood threat will depend on a number of factors, the National Weather Service said early Thursday.

The National Weather Service has upgraded its flood watch for the Lehigh Valley and surrounding areas, in addition to severe weather and heat watches.

The unanimous vote to support the years-in-the-making plan came at the very beginning of a special meeting of the EAC dedicated to a mid-year goal review. The group also discussed progress on this year's goals.

After devastating flash flooding in Texas earlier this month claimed the lives of at least 135 people, scientists and experts are warning similar conditions could happen in the Lehigh Valley.

Sustainable Pennsylvania is a voluntary program focused on helping municipalities improve sustainability to save money, conserve resources and improve residents’ lives.

This week, a look forward to one of the year’s best meteor showers, the Perseids.

Dangerous heat is expected Monday through Wednesday in the Lehigh Valley, with concerns of excessive rainfall on Thursday before much cooler air arrives.

Lehigh Valley Planning Commission advised against a change in Plainfield Township's landfill ordinance that could potentially grant more power to landfill operator Waste Management.

Excessive humidity and extremely warm temperatures have prompted a heat advisory for the Lehigh Valley on Friday. On top of the heat, there's a risk of severe weather and an unsettled weekend ahead.