Pennsylvanians woke up to hazy skies again. Canadian wildfires sending smoke to the state triggered an air quality alert ...

GRAND RAPIDS, Mich. (WOOD) — An invasive freshwater jellyfish has been spotted in Lake Erie. The Pennsylvania Department of ...

Particularly north and west of the Lehigh Valley, anyone who might be especially vulnerable to the effects of air pollution ...

Wildfire smoke from Canada continues to impact air quality across central Pennsylvania, with hazy conditions expected through ...

The owner of a slag dump in Beaver County illegally burned solid waste, according to a newly issued compliance order from the ...

An updated air quality alert was reported by the National Weather Service on Tuesday at 4:52 p.m. in effect until Thursday at ...

At a Wednesday, Aug. 6 meeting, supervisors voted 2-0 to authorize the engineering firm Herbert, Rowland & Grubic Inc. (HRG) ...

The newest draft of the Chesapeake Bay Watershed Agreement lacks meaningful pollution reduction targets and allows states to ...

The developer for a proposed one million-square-foot warehouse is requesting a special exception to relocate to a tributary ...

A new report on Pittsburgh’s rivers shows ongoing threats to the waterways and calls for stricter regulations to reduce ...

York County’s air quality will be improved but could still cause problems for those sensitive to particle pollution.