air pollution

Comment – Colorado Refinery Report and Proposed Refinery Regulations

by PEER | October 26, 2026
PEER comments on the Colorado Refinery Report and proposed refinery regulations ...

Comment – Public Participation for “Minor” New Source Review Permitting

by PEER | August 21, 2026
Comments to EPA Administrator Zeldin opposing the proposed rule eliminating public participation requirements for “minor” new source review permitting ...

Under EPA’s Zeldin, Pollution Enforcement Dying a Quick Death

by PEER | January 22, 2026
Department of Justice Civil Pollution Settlements Plummet to Record Lows ...

Comment – EPA proposal re: Phoenix Mesa NAA 2015 ozone NAAQS

by PEER | December 19, 2025
Comments on the EPA proposal to determine that the Phoenix-Mesa ozone NAA would have attained the 2015 ozone NAAQS by its August 3, 2024, but for emissions emanating from outside the United States ...