Metalico, a metal recycler on Neville Island in Allegheny County, is now the target of EPA. It has been a nuisance to the community for years. Pittsburgh has a new light pollution ordinance. An astronomer advocates for dark skies. Criminal charges against a pipeline company do little to spark action in the Pa. legislature.
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A dark sky advocate says light pollution separates us from the stars - The astronomer who helped Pittsburgh with its new dark sky lighting ordinance says, "I want more people to see the Milky Way right from where they live." 
Despite criminal charges against pipeline company, no action expected from Pa. legislature - Some Democrats call for the shutdown of the Mariner East pipeline after criminal charges. But Pa. lawmakers are unlikely to act on pipeline safety.
Environmental advocates applaud EPA plan to address PFAS, but say more is needed - EPA released a 3-year "roadmap" to prevent this class of toxic chemicals from being released into the environment and speed up the cleanup process. Advocates say too many unanswered questions remain.-
Air advocates have targeted a Neville Island metal recycler for years. Now, the feds have stepped in - US EPA determined that Metalico is a major source of air pollution. Neighbors and air activists have been complaining about odors and pollution for years. 
‘Orphaned’ wells are a problem in Pennsylvania. There are more of them than we thought - A new report shows the western part of the state has the most abandoned or 'orphan' gas wells in Pa. They're a big source of methane, a potent greenhouse gas.
