WASHINGTON, D.C. — 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 ...

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 — 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 ...

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 ...

Minnesota mines account for nearly half of the state’s mercury emissions. Most are owned and operated by U.S. Steel and Cleveland Cliffs, above. Credit: MinnPost file photo by Walker Orenstein ...

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 But several key permits have been revoked or are on hold.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 ...