The Council held its Eighteenth Regular Session on 21-22 June 2011, in Montreal, Quebec, Canada. Peter Kent, Canadian Minister of the Environment chaired the meeting, Juan Elvira Quesada, Secretary for Environment and Natural Resources and Lisa P. Jackson, Administrator of the US Environmental Protection Agency (EPA) represented Mexico and the United States, respectively. Dolores Wesson on behalf of Evan Lloyd, CEC Executive director, represented the Secretariat. Nathalie Daoust, Council Secretary, acted as secretary for the Session.