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

Air Quality Improvement for Environmental Justice

2022 Active Pollutants

Black carbon (BC) or “soot” ─a component of fine particulate matter (PM)─ is an important air contaminant that not only affects public health but also our climate. Our countries’ systems for monitoring air pollution have limited coverage, with millions of people across North America living in communities that have no...

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Air Quality Improvement

Featured Publication

Milestone Study on Plastics Waste Management in the US and Canada — Executive Summary

Transforming Recycling and Solid Waste Management in the US and Canada

October 24, 2022 23 pages Sustainable Living and Economies

The CEC has commissioned this series of three milestone studies as part of its “Transforming Recycling and Solid Waste Management in North America” project, with the goal of supporting Canada, Mexico and the United States in their efforts to promote circular economy and sustainable materials management approaches to encourage eco-design and increase product and material reuse, recovery and recycling rates.

These studies aim for better understanding of the opportunities in the recycling sector and secondary material markets for plastics, paper and bioplastics waste. These studies focus on Canada and the United States, and a separate set of studies focused on Mexico will be available in the coming months. Building on the results of these milestone studies and on input by key actors, a joint pilot project is currently underway in Canada and the United States with the purpose of assessing the feasibility of innovative technologies, policies and practices that can be adopted at scale across North America.

The complete report is available in English only, but you can consult the executive summary in English, Spanish, and French.

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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.