Three countries working together to protect our shared environment

International collaboration between Canada, Mexico and the United States on environmental issues of common interest

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

Stimulating Behavioral Changes to Reduce Food Loss and Waste (FLW) in North America and Expanded Promotion and Uptake of Related CEC FLW Resources

2024 Active Sustainable Living and Economies

The CEC Council has acknowledged the importance to further build upon the success of past CEC FLW projects, and continue to demonstrate CEC leadership and visibility to support FLW reduction in North America. Given this, the CEC continues its work on a new project with a focus on developing new...

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Featured Publication

North Atlantic Right Whale

Factual Record Regarding Submission SEM-21-003

December 19, 2025 214 pages

This factual record addresses assertions from submission SEM-21-003, concerning the endangered North Atlantic right whale (Eubalaena glacialis), as authorized by the CEC Council members in Council Resolution 25-01. This factual record was prepared by the CEC Secretariat pursuant to Article 24.28(5) of the USMCA/CUSMA, following a submission alleging that the United States is failing to effectively enforce its environmental laws.

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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