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

Community-led Environmental Education Initiative for Biocultural Heritage Protection

2022 Active Sustainable Living and Economies

North America is experiencing a diverse array of socio-environmental and economic challenges due to ecosystem degradation and climate change. These challenges disproportionately affect systemically vulnerable communities, including Indigenous communities and minority groups. Addressing these issues requires a comprehensive approach that recognizes the region’s economic, ecological, cultural and social diversity. Sustainable...

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Environmental Education Initiative

Featured Publication

The SEM Process in North America and Relevant Agreements

Agreement on Environmental Cooperation

June 19, 2023 60 pages Enforcement

This booklet contains the ECA and selected chapters of the United States-Mexico-Canada Agreement (USMCA/CUSMA/T-MEC). This document highlights provisions applicable to the Submissions on Enforcement Matters (SEM) process under Articles 24.27 and 24.28 of the USMCA/CUSMA/T-MEC. Also, applicable provisions of the ECA are highlighted.

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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