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

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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

Guide to the Inventory of CEC initiatives with Indigenous engagement (1995-2018)

November 30, 2025 31 pages Ecosystems

As part of the North American TEK Atlas project, the present guide is a companion to the Inventory of CEC initiatives that have included Indigenous engagement. This inventory spans the entire history of CEC activities, from 1995 to December 2018. It involved keyword-based research from the CEC website and publication archives as well as discussions with CEC Secretariat staff to identify most initiatives.

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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.