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Volunteers Breaking Observation Records to Support Monarch Butterfly Conservation Across North America

September 23, 2025

Tiohtià:ke (Montreal), 23 September 2025 — Over the past 15 years, monarch butterfly populations have faced serious challenges, but conservation efforts continue to grow. Canada, Mexico and the United States share a long history of working together to protect monarchs across their migratory range, including through Commission for Environmental Cooperation (CEC) initiatives like the International Monarch Monitoring Blitz.

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Monarch Blitz

Media Releases

Monarch Blitz
September 23, 2025

Volunteers Breaking Observation Records to Support Monarch Butterfly Conservation Across North America

Tiohtià:ke (Montreal), 23 September 2025 — Over the past 15 years, monarch butterfly populations have faced serious challenges, but...

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SEM Submission - Río Nazas
September 3, 2025 SEM

CEC Receives Submission on the Deterioration of the Nazas River Lower Basin in the states of Durango and Coahuila, Mexico

Tiohtià:ke (Montreal), 3 September 2025 — Yesterday, Prodefensa del Nazas, A.C., an organization based in Mexico, filed a submission under Chapter...

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Two vaquitas swimming
August 19, 2025 SEM

CEC Publishes Factual Record on the Effective Enforcement of Environmental Law Related to Submission SEM-21-002 (Vaquita Porpoise)

Tiohtià:ke (Montreal), 19 August 2025 — On August 18 the Secretariat of the Commission for Environmental Cooperation (CEC) published...

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July 25, 2025

North American Environment Ministers Reaffirm Commitment to Strengthen Environmental Cooperation

Mexico City (Mexico), 25 July 2025 — The top environmental officials from Canada, Mexico and the United States met...

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July 14, 2025 SEM

CEC publishes Factual Record on Hydraulic Fracturing in Nuevo Leon, Mexico

Tiohtià:ke (Montreal), 14 July 2025 — On 3 July 2025, the Secretariat of the Commission for Environmental Cooperation (CEC)...

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Join the Monarch Blitz
July 9, 2025

Small Actions, Big Impact: Support Monarch Butterfly Conservation by Sharing Your Observations!

Tiohtià:ke (Montreal), 9 July 2025 — The International Monarch Monitoring Blitz returns for its ninth edition from 25 July to 3 August 2025, inviting...

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GELP 2025
July 3, 2025

CEC Announces Second Cohort of Generation of Environmental Leaders Program (GELP)

Tiohtià:ke (Montreal), 3 July 2025 — The Commission for Environmental Cooperation (CEC) is thrilled to announce the second cohort of the...

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May 29, 2025 Council

North America’s Environmental Leaders to Convene in Mexico City on 24-25 July for CEC’s 32nd Council Session and JPAC Public Forum (#CEC32)

Tiohtià:ke (Montreal), 29 May 2025 — The Commission for Environmental Cooperation (CEC) will hold its 32nd annual Council Session and Joint Public...

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April 24, 2025 SEM

Sonora Railway Project: CEC Secretariat recommends the preparation of a factual record pursuant to USMCA/CUSMA chapter 24

Tiohtià:ke (Montreal), 24 April 2025—The Secretariat of the Commission for Environmental Cooperation (CEC) has notified the Council and the USMCA/CUSMA...

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Georgina O’Farrill
Head of Unit, Communications, Outreach and Engagement