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

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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

Community Environmental Justice Strategies and Tools for Climate Change Adaptation and Mitigation

March 14, 2025 35 pages

The database "Community Environmental Justice Strategies and Tools for Climate Change Adaptation and Mitigation" provides examples of free and accessible resources and materials, as well as guidance on knowledge, experiences, and techniques that will enable communities and the general public to identify actions to address climate challenges.

Under the framework of the CEJN project, climate change adaptation and mitigation tools, from an environmental justice perspective, are defined as a set of methods, techniques, instruments and strategies developed by communities and/or organizations in North America that strengthen the capacity of ecosystems and communities themselves to increase resilience and reduce the effects of climate change while promoting environmental equity and eliminating pre-existing inequalities.

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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.