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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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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...

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Short-Lived Climate Pollutants

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Metrobús Reforma

Factual Record Regarding Submission SEM-18-002

July 5, 2023 108 pages Enforcement

On 1 July 2020, the United States-Mexico-Canada Agreement (USMCA or “the Agreement”) and the Environmental Cooperation Agreement (ECA) entered into force. Pursuant to ECA Article 2(3), the CEC “will continue to operate under the modalities in place as of entry into force of [the ECA].” This factual record was prepared in conformity with the provisions of NAAEC Article 15.

On 2 February 2018, the organizations Academia Mexicana de Derecho Ambiental, A.C. and La Voz de Polanco, A.C. (hereinafter, the “Submitters”) filed a submission with the Secretariat in accordance with Article 14(1) of the Agreement. The Submitters assert that the approvals, permits, and concessions for the project to build line 7 of the Metrobús Reforma Mass Transit Corridor (Corredor de Transporte Público Colectivo de Pasajeros Metrobús Reforma) (hereinafter, “Metrobús Reforma project”), developed by the Mexico City government (CDMX), were granted “opaquely and unlawfully.” They contend in particular that the legally prescribed procedure for environmental impact assessment of the Metrobús Reforma project, now completed and being operated by the Mexico City authorities, was not followed.

 

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Metrobus Reforma Factual Record Cover

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