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

International Monarch Monitoring Blitz

Every Observation Matters!

The International Monarch Monitoring Blitz is back for its 10th anniversary! From 31 July to 9 August 2026, join the celebration and help search for monarch butterflies and milkweed plants in your area.

International Monarch Monitoring Blitz

Monarch Monitoring Blitz

Topics

Featured Project

Scoping: Uptake of Best Practices for Environmentally Sound Management of Spent Lead-Acid Batteries

2024 Active Sustainable Living and Economies

Spent lead-acid batteries (SLABs) are one of the largest sources of lead for industrial reuse in North America, but their recycling can release toxic emissions if not managed properly. Previous work by the CEC has helped identify levels of environmental and health protection, as well as regulatory frameworks across the...

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Featured Publication

Loggerhead Turtle

Factual Record Regarding Submission SEM-20-001

April 22, 2024 148 pages Enforcement

On 17 December 2020, the organizations Centro Mexicano de Derecho Ambiental (Cemda) and US-based Center for Biological Diversity (hereinafter, “the Submitters”) filed a submission with the Secretariat in accordance with USMCA/CUSMA Article 24.27(1). The Submitters assert that Mexico is failing to effectively enforce its environmental law in relation to the protection and conservation of the loggerhead turtle (Caretta caretta), an endangered species whose conservation is a priority according to the environmental law cited in the submission.

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Loggerhead turtle - publication cover

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