Father of climate activists running to unseat Zinke

By Timothy Cama | 01/09/2026 06:42 AM EST

The Democrat ran unsuccessfully to be Montana’s governor in 2024.

Ryan Busse.

Ryan Busse during a hearing on Capitol Hill in 2022. Mariam Zuhaib/AP

Ryan Busse, the father of two plaintiffs in a landmark Montana climate change lawsuit, is running to challenge Republican Rep. Ryan Zinke.

Busse, a Democrat who ran unsuccessfully to be Montana’s governor in 2024, launched his campaign Thursday, pointing to a poll showing him 4 percentage points ahead of the incumbent.

Zinke was first elected in 2022, and was formerly Interior secretary during President Donald Trump’s first administration, where he implemented many major pro-fossil fuel policies.

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“Zinke’s abandonment of working people is exposing century-old Montana scars left here by the insanely wealthy mining barons who once poisoned our rivers and rigged the economic system against working people,” Busse wrote in a Substack post about his campaign launch.

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