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

International Monarch Monitoring Blitz

Every Observation Matters!

The International Monarch Monitoring Blitz is back for its 10th anniversary! From 31 July to 9 August 2026, join the celebration and help search for monarch butterflies and milkweed plants in your area.

International Monarch Monitoring Blitz

Monarch Monitoring Blitz

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Featured Project

Using the World Cup and Large-Scale Events to Raise Awareness About the Importance of Reducing Food Waste

2025 Active Sustainable Living and Economies

Large public events (such as sports games, music concerts, and cultural celebrations that may take place at stadiums or other public gathering spaces) offer a unique opportunity for both promoting awareness of wasted food and engaging and activating a diverse crowd that might not have felt compelled to act on...

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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.