Reuters: The U.S. Supreme Court on Monday agreed to consider the lawfulness of an Obama administration effort to regulate air pollution that crosses state lines.
At the request of the administration, the American Lung Association and environmental groups, the justices will review an appeals court ruling that invalidated the Cross-State Air Pollution rule, which the U.S. Environmental Protection Agency implemented to enforce a provision of the Clean Air Act.
The rule sets limits on nitrogen oxides and...