Ozone Suit Adds To Pressure On EPA For NAAQS Species Assessments

The Center for Biological Diversity (CBD) has filed a lawsuit claiming the Trump EPA’s decision to retain the existing ozone ambient air limits is unlawful because the agency did not conduct an Endangered Species Act (ESA) review of the policy, echoing a similar recent CBD species challenge to EPA’s retention of particulate matter (PM) limits. Both lawsuits are pending in the U.S. Court of Appeals for the District of Columbia Circuit, and if either case succeeds it could establish a...