News

CEC Receives Submission on Hydrocarbon Contamination in Las Choapas, Veracruz, Mexico

Tiohtià:ke (Montreal), 18 June 2026—On 9 June 2026, a Mexican citizen filed a submission with the Secretariat of the Commission for Environmental Cooperation (CEC) under Chapter 24 of the United States-Mexico-Canada Agreement (USMCA/CUSMA). The Submitter asserts that Mexico is failing to effectively enforce its environmental laws with respect to the contamination generated by the explosion of an oil well in the community of Las...

June 18, 2026

CEC Receives Submission on the Lack of Vehicle Emissions Control in Baja California, Jalisco and Nuevo León, Mexico

Tiohtià:ke (Montreal), 16 June 2026—On 8 June 2026, the organizations Colectivo Salud y Justicia Ambiental, Víctimas de la Violencia Vial, Alianza del Aire Nuevo León, and ENLACE, Legislación, Ambiente y Sociedad (collectively, “the Submitters”) filed a submission with the Secretariat of the Commission for Environmental Cooperation (CEC) under Chapter 24 of the United States-Mexico-Canada Agreement (USMCA/CUSMA). In submission SEM-26-005 (Vehicle Emissions Control), the Submitters assert that, by failing to adequately...

June 16, 2026

CEC Receives Submission on the Deterioration of Wetlands in Chalacatepec (Jalisco, Mexico)

Tiohtià:ke (Montreal), 11 June 2026—On 8 June 2026, a Mexican citizen filed a submission with the Secretariat of the Commission for Environmental Cooperation (CEC) under Chapter 24 of the United States-Mexico-Canada Agreement (USMCA/CUSMA). The Submitter asserts that Mexico is failing to effectively enforce its environmental laws, particularly with respect to the protection of the Chalacatepec lagoon, in the state of Jalisco, listed under the...

June 11, 2026

CEC Receives Submission on Hazardous Waste Disposal in the Blainville Great Bog (Quebec, Canada)

Tiohtià:ke (Montreal), 13 May 2026—On 1 May 2026, a Canadian teenager, in his individual capacity, filed a submission with the Secretariat of the Commission for Environmental Cooperation (CEC) under Chapter 24 of the Canada–United States–Mexico Agreement (USMCA/CUSMA). The Submitter asserts that Canada is failing to effectively enforce its environmental laws with respect to the protection of migratory birds and species at risk,...

May 13, 2026

CEC Receives Submission on Wastewater Management in Tijuana, Mexico

Tiohtià:ke (Montreal), 3 February 2026 — On 26 January, the San Diego Coastkeeper, an organization based in the United States, filed a submission under Chapter 24 of the United States-Mexico-Canada Agreement (USMCA/CUSMA) with the Commission for Environmental Cooperation (CEC). The Submitter asserts that Mexico is failing to effectively enforce its environmental laws relating to wastewater management, public health, transboundary notification procedures through binational channels,...

February 3, 2026

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...

January 6, 2026