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

Why and How to Measure Food Loss and Waste

A Practical Guide - Version 1.0

October 24, 2022 60 pages Climate Change Sustainable Living and Economies

This guide was developed as part of the Commission for Environmental Cooperation (CEC) Operational Plan 2017-2018 and its Measuring and Mitigating Food Loss and Waste project. The goal of the project is to improve measurement of food loss and waste (FLW) across the North American supply chain and to calculate its environmental and socioeconomic impacts. Outputs of this project include this practical guide and a technical report entitled Quantifying Food Loss and Waste and Its Impacts (CEC 2019). Together, these publications offer practical tools, information and activities designed to help facilities, organizations and governments prevent, recover and recycle FLW.

This initial version of the practical guide was pilot tested with different organizations as part of a follow-up project. The lessons learned were used to develop the improved version 2.0 of the guide, which is now available.

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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.