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

Scoping: Uptake of Best Practices for Environmentally Sound Management of Spent Lead-Acid Batteries

2024 Active Sustainable Living and Economies

Spent lead-acid batteries (SLABs) are one of the largest sources of lead for industrial reuse in North America, but their recycling can release toxic emissions if not managed properly. Previous work by the CEC has helped identify levels of environmental and health protection, as well as regulatory frameworks across the...

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Featured Publication

The Spent Goods Company

Beer -> Bread! Upcycling and Commercializing Food Waste

November 30, 2025 2 pages Sustainable Living and Economies

The Spent Goods Company, founded in Toronto, ON, Canada in 2018, aims to prevent food loss and waste by teaming up with local breweries and bakeries to turn “spent” beer grains into new products. These products include loaves of bread, bagels, English muffins, buns, and snacks such as crackers and pretzels. Following this approach, Spent Goods demonstrates the role business can play in reducing waste and minimizing environmental impact, while creating a delicious, nutritious product that generates income for participants throughout the food supply chain.

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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.