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

Our Impact

Explore how the CEC’s work over the years has delivered tangible environmental and social outcomes across North America — from scientific studies that guided environmental standards, regulations and policies in Canada, Mexico and the United-States, to trinational conservation strategies, community grants and geospatial mapping projects. Whether you’re a policymaker, conservation expert, researcher or simply interested in North American environmental cooperation, this page offers a comprehensive overview of not only what the CEC has achieved — but how and why those efforts have unfolded.

Our Impact

Topics

Featured Project

Strengthening Evidence-Based Collaborative Monarch Butterfly Conservation

2025 Active Ecosystems

Monarch butterfly population has experienced a significant decline over the last few decades. While the 2024-2025 wintering season saw an increase from the previous year, this remains one of the lowest recorded population sizes and highlights the ongoing challenges for monarch conservation, as well as the urgent need for coordinated,...

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Monarch Butterfly Conservation

Featured Publication

Trinational workshop for the creation of a Communities for Environmental Justice Network

Executive Summary

March 14, 2025 4 pages

In September 2021, the Commission for Environmental Cooperation (CEC) launched the Communities for Environmental Justice Network (CEJN) project. The project aims to strengthen the capacity of North American Indigenous, local, disproportionately impacted, marginalized, and/or underserved communities to address environmental justice concerns in the context of climate change. The project supports the creation of a trinational network to facilitate the exchange of community-based expertise, lessons learned, and practical guidance between network participants. Project development is guided by the CEJN Steering Committee, consisting of representatives and experts appointed by the governments of Canada, Mexico, and the United States.

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Executive Summary Trinaltional Workshop CEJN

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.