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No stranger to extractive industries, he worked in Alberta’s tar sand oil fields before working until retirement as a police officer at the Makah Nation, the Quinault Indian Nation and the Royal Canadian Mounted Police.

So she headed west, to the tar sand fields of northern Alberta, one of the world’s most environmentally destructive oil operations, where workers lived in barracks-like camps and men vastly outnumbered women.

In fact, there’s no more good tar sand pipelines.

One of those spills, a 2010 release of more than 1 million gallons of sludgy tar sand soil into a Michigan creek polluted a nearly 40-mile stretch of the Kalamazoo River.

According to Ms. Kearney, a 2010 oil spill on another Enbridge line in Michigan, which poured nearly 850,000 gallons of tar sand into the Kalamazoo River, piqued public interest in Line 5 and other pipelines.