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

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

Reducing Marine Litter Through Local Action

A Toolkit for Community Engagement

November 30, 2025 75 pages Ecosystems

The purpose of this toolkit is to help North American urban, suburban and rural communities located inland or in coastal areas to mobilize and coordinate efforts to reduce and prevent improperly disposed trash from becoming marine litter. The toolkit was developed as an accessible resource for local organizations, community leaders and anyone passionate about leading local or regional initiatives to address marine litter. It is intended as an introduction to organizing, building and sustaining momentum around community actions and initiatives to reduce land-based marine litter.

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Reducing marine litter through local action

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.