Collaborative environmental work connecting science, justice, and sustainability

COMMISSION FOR ENVIRONMENTAL COOPERATION

Three countries working together to protect our shared environment

In the Spotlight

Join the Monarch Blitz’s 10th Anniversary: Every Observation Matters

Tiohtià:ke (Montreal), 23 July 2026—The International Monarch Monitoring Blitz is just around the corner! From 31 July to 9 August 2026, we invite everyone across North America to head outside and search for monarch butterflies and milkweed plants.

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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

Compilation of Engagement with Indigenous Communities and Experts Associated with TEK in the United States

September 1, 2020 76 pages Ecosystems

The purpose of this Compilation of Engagement with Indigenous Communities and Experts Associated with TEK in the United States is to assist the Commission for Environmental Cooperation (CEC) and other partners engaging in work that involves TEK. This paper provides an inventory of existing frameworks in the United States that provide mechanisms for the voluntary engagement of indigenous communities and Traditional Ecological Knowledge (TEK) experts.

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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