The limits, set in 2024 by the Biden administration, would reduce the taconite industry's mercury emissions by 33%. The ...

A new federal lawsuit has been filed against the Trump administration over exemptions for the mining industry.

A Minnesota environmental nonprofit says President Donald Trump doesn’t have the authority to extend air emission rule ...

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 ...

Taconite plants on Minnesota’s Iron Range will now get two extra years to comply with a rule that would have forced them to cut how much mercury they release into the air. A proclamation signed by ...

VIRGINIA, Minn. — It was a good year for taconite mining on northern Minnesota’s Iron Range. Production levels in 2010 were just below those during the peak year of 2008 and more than double those ...

From the column: "Given the lack of regulation and experience in Minnesota on high sulfide mines, it makes sense to take a cautionary approach." A worker holds a core sample showing a polymetallic ...