Arkansas Suit Tests Efforts By EPA, States To Soften Regional Haze Plans

Sierra Club and the National Parks Conservation Association (NPCA) are suing EPA over its approval of Arkansas’ plan softening regional haze emissions controls for power plants, posing a test case for efforts by some states and the Trump administration to ease pollution limits for the next round of the agency’s haze reduction program. The suit filed Nov. 25 in the U.S. Court of Appeals for the 8th Circuit contests EPA’s Sept. 27 rule rolling-back Obama-era control requirements for Arkansas power...