From the column: "Given the lack of regulation and experience in Minnesota on high sulfide mines, it makes sense to take a ...

DULUTH, Minn. (AP) — Federal regulators have issued final regulations aimed at reducing pollution from taconite processing plants that causes haze over northern Minnesota’s wild areas including ...

The rule is expected to cut about 33 percent of the neurotoxin each year, thereby reducing deposits on Midwest lands and waters. EPA has finalized the nation’s first-ever limits on emissions of ...

DULUTH -- Cleveland-Cliffs agreed to pay a $50,000 penalty for air quality violations at its United Taconite processing facility in Forbes, where, as part of the settlement, the mining company is also ...

EPA’s regulations set first-ever mercury emissions limits on the mills that process low-grade iron ore known as taconite. A federal appellate court has rebuffed two steelmakers’ bids to freeze ...

DULUTH — Federal regulators and the state’s two taconite mining and processing companies have agreed on limits for a pair of pollutants causing haze in the region’s national parks and wilderness areas ...

NewRange is clearing out the quarter-mile-long concentrator building, which it hopes to use as a processing plant for a copper-nickel mine. But several key permits have been revoked or are on hold. A ...

The Trump administration will consider rolling back newly set limits on mercury emissions from the Iron Range’s taconite plants. The mercury limits, finalized a year ago under the Biden administration ...

More than 600 Iron Range steelworkers will be out of a job as mines that supply the struggling auto industry go offline. Cleveland-Cliffs will temporarily idle two Minnesota operations: Hibbing ...

DULUTH — President Donald Trump is giving Minnesota’s taconite iron ore mines two more years to comply with a U.S. Environmental Protection Agency mandate to reduce their mercury emissions — a rule ...

Northern Minnesota’s lake-strewn hills are Paul Bunyan country. Their open-pit iron mines were originally scooped, as all followers of legend know, to provide suitable shoes for Babe, Bunyan’s Big ...

Beneath the forests of Michigan’s Upper Peninsula lie vast iron deposits that have long resisted ore-hungry steelmen. The ore is jasper, a diamond-hard rock that blunts ordinary drills, is too low in ...