Colorado Air Pollution Plan to Get New Look by EPA After Lawsuit

The EPA will reconsider a Colorado air pollution plan that a conservation group claims underestimates the impact of pollution on downwind states and conflicts with state law, after the Tenth Circuit granted the the agency’s request to look again at, and not overturn, the plan’s approval.

The Environmental Protection Agency said its decision to look again at Colorado’s plan was partly due to the U.S. Court of Appeals for the District of Columbia Circuit’s ruling in Maryland v. EPA. The D.C. Circuit said the agency must address pollution that affects downwind states’ ability to meet 2015 ozone standards by ...