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International collaboration between Canada, Mexico and the United States on environmental issues of common interest

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CEC Publishes Factual Record on the Effective Enforcement of Environmental Law Regarding the North Atlantic Right Whale Submission

Tiohtià:ke (Montreal), 6 January 2026—On 19 December 2025, the Secretariat of the Commission for Environmental Cooperation (CEC) published the factual record regarding submission SEM-21-003 (North Atlantic right whale) filed by Oceana (“Submitter”), who asserted that the United States is failing to effectively enforce its environmental laws to protect the North Atlantic right whale (Eubalaena glacialis) from collisions with ships, known as “vessel strikes,” and from entanglement in commercial fishing gear.

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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

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CEC’s work to support the Local Environmental Observer (LEO) Network (2015–2016)

Long-term Impact Assessment

October 24, 2022 7 pages Ecosystems

The Local Environmental Observer (LEO) Network is an online community of local observers and topic experts who share knowledge about unusual animal, environment, and weather events. The Network originated within the Alaska Tribal Health System as a project of the Alaska Native Tribal Health Consortium (ANTHC) in 2012 to bring local area experts in rural communities into contact with topic experts who might be far away.

Through LEO, members can share observations, connect on various topics with experts from different knowledge backgrounds—local, Indigenous, and scientific—help detect emerging environmental concerns in their communities and engage in a range of observer and citizen science opportunities. The Network aims to increase understanding of environmental change and help identify healthy and effective ways to adapt to it.

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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.