"The Dene have lived in the vast Mackenzie River Valley since time immemorial, by their account. To the Dene, the land owns them, not the other way around, and it is central to their livelihood and very way of being. But the subarctic Canadian Northwest Territories are home to valuable resources, including oil, gas, and diamonds. With mining came jobs and investment, but also road-building, pipelines, and toxic waste, which scarred the landscape,...