Lawyers will be in U-S District Court in St. Paul today arguing both sides of a proposal by Northshore Mining. That company wants the state to drop a requirement that it meet an air quality standard which Northshore says is no longer relevant. It's called the "control-city standard," and Minnesota Public Radio's Stephanie Hemphill talked with Morning Edition's Cathy Wurzer to provide some background on the case.
Northshore Mining wants air quality requirement dropped
Environment St. Paul, Minn. ·