Recent fires at the Clairton Coke Works and temperature inversions have sparked a debate about what should be done to address air pollution in the county.
The agency's preliminary analysis shows green infrastructure is more expensive to use to prevent sewage entering rivers than pipes and other gray infrastructure in most locations.
PFAS can make its way into water supplies. If the Allegheny County Airport Authority doesn’t investigate, some lawyers say it could find itself in legal jeopardy.
