Federal Energy Minister Tim Hodgson hailed the decision — just hours after B.C. issued an approval — as an example of the federal government’s “one project, one review” system in which it relied on the province for its assessment.

But the Metlakatla First Nation says in court documents that the decision relied on “speculative economic concepts” to justify the project’s adverse impacts, while ignoring “mounting evidence” that it’s not economically feasible.