CBD urges court to sever its PM NAAQS endangered species suit

The Center for Biological Diversity (CBD) is urging a federal appeals court to sever its novel lawsuit against the Trump EPA’s decision to retain Obama-era federal standards for particulate matter (PM) from other PM cases, arguing that the group’s suit raises unique endangered species claims distinct from the other challenges. In a Feb. 23 filing with the U.S. Court of Appeals for the District of Columbia Circuit, CBD asks the court to sever its case, CBD v. EPA, et al....