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

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Featured Project

Advancing Responsible Purchasing of Wood Products

2024 Active

Illegal logging, and the trade in illegally logged timber, is a domestic, regional, and global issue. It has negative economic, environmental, and social impacts, including—but not limited to—forest degradation, loss of traditional homelands for Indigenous and tribal communities, and the creation of unfair market conditions that disadvantage legal and sustainable...

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Timber

Featured Publication

Long-term Impact Assessment of the North American Pollutant Release and Transfer Register Initiative (1995–2015)

July 16, 2019 7 pages Pollutants

The North American Pollutant Release and Transfer Register (NAPRTR) Initiative originates from a commitment of Canada, Mexico and the United States under the North American Agreement on Environmental Cooperation (NAAEC) to enhance the quality and comparability of PRTR data across the region, through improvements in methodologies for data gathering and management, electronic communications, and analyses, in order to 1) effectively track releases of industrial pollutants across North America, and 2) enhance access to and use of the information to develop sound pollution prevention and reduction 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.

About the CEC