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

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

Advancing Supply Chain Transparency for Chemicals in Consumer Products

Snapshot of the Health Product Declaration Open Standard for Building Materials in the United States

February 5, 2026 20 pages Pollutants

The building sector faces diverse and complex challenges related to chemical transparency and health impacts. This snapshot highlights a progressive, voluntary method for manufacturers to report chemical information in building products. The Health Product Declaration Open Standard is an example of the collaborative work of architects, health experts, and industry to promote not only the declaration and disclosure of substance ingredients, but also the health risk associated with building materials.

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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