New UCS Analysis Shows Progress and Significant Gaps in Meaningful Engagement in State Air Permitting

A new report from the Union of Concerned Scientists looks at how well states let the public weigh in when polluting facilities like power plants, refineries, and incinerators apply for air permits under the Clean Air Act. These "Title V" permits set limits on how much pollution a facility can release, and federal law requires states to let people comment and request hearings before a permit is approved. The report graded states on how accessible and meaningful that process really is.

Most states post permit notices online and allow comments, meeting the bare legal minimum. But the notices are often hard to read, written in technical language without explanation, and few states have a dedicated public-participation staff member. Even when people submit comments, it is often unclear whether or how those comments change the final permit. Only about half the states surveyed could point to a case where public input actually led to a change. Some states, like South Carolina, do better by posting full records of decisions, responses to comments, and the final permit online.

For homeowners, this matters most if you live near an industrial facility applying for or renewing an air permit. The report suggests that commenting may do more to document your concerns for the record than to influence the outcome, depending on your state. At the same time, federal regulators have recently pushed to speed up permit reviews and weaken public-comment requirements for some facilities, including data centers, landfills, and asphalt plants, which could further limit opportunities for residents to weigh in on projects near their homes.