Earlier this month, Michigan regulators approved a key permit to build a tunnel under the Great Lakes to house the controversial Line 5 oil pipeline, prompting pushback from environmental advocates. POLITICO’s Adam Aton breaks down the latest Line 5 news and how President Joe Biden now must navigate tricky pipeline politics in a swing-state during an election year. Plus, FERC on Tuesday launched an investigation into whether it should exercise more oversight over large investment companies’ stakes in public utilities.

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Catherine Morehouse is an energy reporter for POLITICO and the host of the POLITICO Energy podcast.

Adam Aton covers the politics of climate change for POLITICO’s E&E News.

Nirmal Mulaikal is a POLITICO audio host-producer.

Kara Tabor is an audio producer for POLITICO.

Gloria Gonzalez is the deputy energy editor for POLITICO.

Matt Daily is the energy editor for POLITICO.

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Biden faces tricky Line 5 pipeline politics in Michigan