Mealey's (January 23, 2023, 11:13 AM EST) -- WASHINGTON, D.C. — One week after the U.S. Environmental Protection Agency filed a brief with the District of Columbia U.S. Circuit Court of Appeals defending its decision to reinstate a waiver for California to certain Clean Air Act (CAA) requirements, amicus curiae briefs were filed in support on Jan. 20, with the American Thoracic Society arguing that “California’s capacity to promulgate and implement” automobile emissions regulations “is essential” to protecting public health “particularly in a warming world.”...