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.

Back-to-back storms will roll through the Lehigh Valley this week, but forecasters say if you're a snow purist, don't expect much in the way of significant accumulation.

This week on Watching the Skies, a look at efforts to preserve the artifacts that remain on the moon’s surface.

A pair of river otters at the Lehigh Valley Zoo offered their predictions for the winner of Super Bowl LIX during the zoo's annual Otter Bowl. Eagles fans may not like it, depending on their perspective.

The winter weather advisory will run 3 p.m. Saturday to 6 a.m. Sunday, with mixed precipitation expected in the Lehigh Valley and across the region.

St. Luke's University Health Network on Friday launched an email helpline for residents with questions about avian flu. No human cases have so far been recorded in Pennsylvania.

The Valley’s two major health networks are preparing for an increase in bird flu in people. Cases have been generally mild, with none reported so far in Pennsylvania.

The Saturday into Sunday timeframe will see the next storm system target the region, and an active pattern could bring snow next week, forecasters say.

Just shy of 90 awardees from 45 counties were selected for the commonwealth’s Agricultural Innovation Grant Program. Find out what got funded in the Lehigh Valley.

Applications are open for the 2025 Lehigh Valley Greenways Mini Grant Program. Grants are earmarked for conservation efforts in Lehigh and Northampton counties.

Lehigh Valley Planning Commission officials last month held the first regional climate planning workshop of the year, WorkshopLV: Environment.

Forecasters are calling for calling for “quite the icy slop of wintry precipitation across the region, including both sleet and freezing rain” as a quick-hitting winter storm descends upon the region late Wednesday.

Residents can comment on a draft of the 2025-2029 Pennsylvania Statewide Comprehensive Outdoor Recreation Plan, or SCORP, through March 3. There's a public input form, as well as scheduled webinars.