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

Tracking Pollutant Releases and Transfers in North America

Initiative Active Pollutants

The CEC's North American Pollutant Release and Transfer Register (NAPRTR) Initiative promotes public access to data and information reported by industrial facilities in North America, in order to improve understanding of the sources and management of pollutants of common concern across the region and support decision-making relative to pollution prevention...

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Nuclear power plant - AirNow

Featured Publication

San Diego Food System Alliance (SDFSA)

Food waste measurement and consumer education in households: Save the Food, San Diego! EcoChallenge

April 26, 2021 4 pages Sustainable Living and Economies

The San Diego Food System Alliance (“The Alliance”) is a nonprofit organization working to cultivate a healthy, sustainable and just food system in San Diego County, California. The Alliance is a diverse and inclusive network that works across sectors to promote collaboration, influence policy and catalyze transformation in the food system.

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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.