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

CEC’s Work on Migratory Bird Conservation (2015–2018)

Executive Summary — Long-term Impact Assessment

March 14, 2025 7 pages Climate Change Ecosystems

Between 2015 and 2019, the Commission for Environmental Cooperation (CEC) implemented two projects under its strategic pillar of Sustainable  communities and Ecosystems, included in CEC Strategic Plan 2015–2020 (CEC 2015). The project Arctic Migratory Bird Initiative (AMBI): The Americas’ Flyway Action Plan (2015–2016) (CEC 2015a, 2016 and 2017) was developed in response to the need to strengthen participation and collaboration among communities in Canada, Mexico and the United States for the conservation of shorebirds, primarily the semi-palmated sandpiper (Calidris pusilla) and the red knot (Calidris canutus, subspecies rufa and roselaari), selected for having a wide migratory and reproductive distribution and as indicators for other coexisting species.

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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.