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

Topics

Featured Project

Fast Mitigation Strategies for Short-Lived Climate Pollutants

2024 Active SubTopic

Methane is a short-lived climate pollutant (SLCP) and a potent greenhouse gas. At the 2023 North American Leaders Submit (NALS), Canada, Mexico and the United States recognized “the urgency for rapid, coordinated and ambitious measures to build clean energy economies and respond to the climate crisis” and committed to “reduce...

Learn More All Projects

Short-Lived Climate Pollutants

Featured Publication

Long-term Impact Assessment of the North American Environmental Atlas and the North American Land Change Monitoring System (1996–2016)

November 18, 2024 4 pages Climate Change Ecosystems

Because our environment does not end at the border, the CEC has developed over the last 22 years a unique framework that harmonizes geographic information in a seamless manner across North America’s political boundaries. Its North American Environmental Atlas aims at better monitoring environmental trends and land-cover changes in the region.

Read More

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.