Three countries working together to protect our shared environment

International collaboration between Canada, Mexico and the United States on environmental issues of common interest

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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.

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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

Alberta Tailings Ponds II: Factual Record

North American Environmental Law and Policy, Volume 36

May 5, 2025 208 pages Enforcement

# 15 in Top Publications

On 26 June 2017, Environmental Defence Canada and the Natural Resources Defense Council (based in the United States), along with Canadian resident Daniel T’seleie (the “Submitters”), filed SEM-17-001 (Alberta Tailings Ponds II) (hereinafter the “Submission”) with the Secretariat. The Submitters assert that the Government of Canada (“Canada”) is failing to enforce the pollution prevention provisions of the federal Fisheries Act with respect to alleged leaking of deleterious substances, and specifically oil sands processed water (OSPW), from tailings ponds of oil sands operations in northeastern Alberta. On 20 August 2018 in Council Resolution 18-01, the CEC Council unanimously instructed the Secretariat to develop a factual record for submission SEM-17-001 (see paragraphs 6-24, below).

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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.