Collaborative environmental work connecting science, justice, and sustainability

COMMISSION FOR ENVIRONMENTAL COOPERATION

Three countries working together to protect our shared environment

In the Spotlight

Join the Monarch Blitz’s 10th Anniversary: Every Observation Matters

Tiohtià:ke (Montreal), 23 July 2026—The International Monarch Monitoring Blitz is just around the corner! From 31 July to 9 August 2026, we invite everyone across North America to head outside and search for monarch butterflies and milkweed plants.

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Featured Project

Advancing Responsible Purchasing of Wood Products

2024 Active

Illegal logging, and the trade in illegally logged timber, is a domestic, regional, and global issue. It has negative economic, environmental, and social impacts, including—but not limited to—forest degradation, loss of traditional homelands for Indigenous and tribal communities, and the creation of unfair market conditions that disadvantage legal and sustainable...

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Featured Publication

Alberta Tailings Ponds II: Factual Record

North American Environmental Law and Policy, Volume 36

September 4, 2020 208 pages Enforcement

On 26 June 2017, Environmental Defence Canada and the Natural Resources Defense Council (based in the United States), along with Canadian resident Daniel T’seleie (the “Submitters”), filed SEM-17-001 (Alberta Tailings Ponds II) (hereinafter the “Submission”) with the Secretariat. The Submitters assert that the Government of Canada (“Canada”) is failing to enforce the pollution prevention provisions of the federal Fisheries Act with respect to alleged leaking of deleterious substances, and specifically oil sands processed water (OSPW), from tailings ponds of oil sands operations in northeastern Alberta. On 20 August 2018 in Council Resolution 18-01, the CEC Council unanimously instructed the Secretariat to develop a factual record for submission SEM-17-001 (see paragraphs 6-24, below).

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What We Do

We conduct research, provide tools and training, and provide a unique space for decision-makers and the public to engage on environmental policy issues affecting the North American region.

About the CEC