The state of Utah and the utility company PacifiCorp are fighting a federal mandate that aims to reduce pollution at national parks.
The two entities filed separate petitions for review — the first step in an appeal — with the 10th Circuit Court of Appeals on Thursday and Friday.
In July, the Environmental Protection Agency adopted a regional haze plan to improve visibility by reducing emissions of nitrogen oxide. The federal plan would require the installation of more pollution controls at two Utah coal-fired power plants in Hunter and Huntington, believed to be contributing to haze in Mesa Verde, Grand Canyon, Black Canyon, Arches, Zion, Bryce Canyon and Capitol Reef national parks.
Read the full article here.