Associations ask Supreme Court to block federal haze rule enforcement Four associations want the U.S. Supreme Court to weigh in on a case that could limit the Environmental Protection Agency's ability to regulate air pollution that leads to haze in popular scenic areas. The groups filed a friend of court brief Wednesday in a case pitting the states of Oklahoma and North Dakota against the EPA. The agency essentially slapped down both states' plans to minimize haze in national parks and other outdoor areas, which the associations contend was a clear example of federal overreach. "Because regional haze is an aesthetic regulation, and not a public health standard, Congress… Read More