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

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

Using the World Cup and Large-Scale Events to Raise Awareness About the Importance of Reducing Food Waste

2025 Active Sustainable Living and Economies

Large public events (such as sports games, music concerts, and cultural celebrations that may take place at stadiums or other public gathering spaces) offer a unique opportunity for both promoting awareness of wasted food and engaging and activating a diverse crowd that might not have felt compelled to act on...

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Featured Publication

Retrofitting Existing Infrastructure

Nature-based Solutions to Address Flood Risks in Coastal Communities Report Series

June 6, 2025 98 pages Climate Change Ecosystems

Flood-risk management is a major concern for coastal communities, particularly when considering sea-level rise caused by climate change. Nature-based solutions (NBS) have the potential to meet many flood-risk management objectives while also providing social, environmental, and economic co-benefits.

This series of guidance documents was designed to support the uptake of NBS in coastal communities across Canada, Mexico and the United States, by providing decision makers and practitioners with practical information and guidance related to NBS co-benefits, retrofitting existing infrastructure using NBS and monitoring NBS. The documents synthesize significant previous work, incorporate insights from an interdisciplinary community of practitioners gathered through intersectoral workshops, and propose new, practical decision frameworks and processes. They also include case studies from the three countries to provide real-world context and emphasize key concepts throughout the reports.

This report series was published as part of the CEC project Nature-based Solutions to Address Flooding in Coastal Cities.

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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