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Minnesota copper mine developers offer environmental safeguards

By Ken Paulman

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MINING: Developers of a planned Minnesota copper-nickel mine announce a series of studies they say will explore ways to minimize the environmental and energy impact of the project. (Associated Press)

ALSO: The project is an example of a delicate political balance for Minnesota Gov. Tim Walz, as labor and environmental interests take opposing positions. (E&E News)

CLEAN ENERGY:

SOLAR:

GRID: Wisconsin utility Alliant Energy plans to apply for regulatory approval later this year for its Energy Dome storage project, essentially a large balloon filled with compressed carbon dioxide. (E&E News, subscription; Energy News Network archive)

WIND: Omaha’s public utility makes its case for wind energy in a nearby rural county, warning that a lack of in-state generation leaves customers vulnerable to volatile prices on the open market. (KETV)

ELECTRIC VEHICLES:

COAL: Federal funding will help support cleanup of a former Illinois coal mine that will be the site of a $30 million sports complex. (WSIL)

OIL & GAS: North Dakota regulators appoint Nathan Anderson, a 25-year oil industry veteran, to lead the state’s Department of Mineral Resources. (Jamestown Sun)