On March 12, 2025, the Environmental Protection Agency’s (EPA) Office of Enforcement and Compliance Assurance (OECA) issued a memorandum titled “Implementing National Enforcement and Compliance Initiatives Consistently with...more
Over the summer, several states were among the first to submit to the U.S. Environmental Protection Agency their regional haze state implementation plan (SIPs) revisions intended to govern the program for the second planning...more