One in three Appalachian coal miners surveyed by federal researchers are now testing positive for black lung disease, the highest level since the late 1970s.
About one in three hikers who attempt a thru-hike complete the entire trail, according to the Appalachian Trail Conservancy. In 2025, 834 succeeded in that quest.
A federal appeals court upheld a Biden-era air quality standard for soot. Allegheny County and other areas in PA could be out of compliance with the new standard.