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

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

Identify and Protect Potential Refugia

An Adaptation Brief

October 18, 2019 4 pages Ecosystems

The Adaptation Briefs demonstrate how different adaptation strategies reduce vulnerabilities to key climate stressors and include case studies where these strategies have been implemented. The briefs complement the Climate Adaptation Toolkit, which contains tools to help MPA practitioners evaluate the vulnerability of their sites to climate change and identify appropriate adaptation strategies.

This brief highlights examples of adaptation actions that identify and protect potential refugia.

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CEC Publication Cover

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.