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ARTICLE · 01 JULY 2026

Bay Du Nord Approval Upheld: Practical Guidance For Major Project EAs, Indigenous Consultation, And Judicial Review

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The Federal Court of Appeal's decision in Sierra Club Canada Foundation v Canada examines the boundaries of environmental assessment jurisdiction and Indigenous consultation requirements in major offshore oil projects. This case explores how territorial limits, practical assessment constraints, and the timing of raised concerns shape the scope and defensibility of federal impact assessments, offering critical guidance for future project approvals under Canada's Impact Assessment Act.

CanadaEnvironment
Paul Seaman
Paul Seaman
Lydia Young
Lydia Young
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Overview

In Sierra Club Canada Foundation v Canada (Environment and Climate Change Canada), 2026 FCA 110("Sierra Club"), the Federal Court of Appeal dismissed an appeal of a legal challenge to the federal government's 2022 approval of the Bay du Nord Development Project (the "Project"), a major offshore oil project about 500 kilometers off Newfoundland.

Sierra Club Canada Foundation and Mi'gmawe'l Tplu'taqnn Inc. ("MTI") challenged the approval on two grounds: 1) the decision was unreasonable because it was based on an environmental assessment under the Canadian Environmental Assessment Act, 2012 ("CEAA"), which did not consider marine shipping or the effects of downstream greenhouse gas emissions from extracted oil, and 2) the Crown had not adequately consulted or accommodated MTI. The Federal Court had dismissed the judicial review. The Court of Appeal dismissed the further appeal.

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