Public opinion estimates are produced using a statistical model that incorporates actual survey responses from a large dataset of >9,000 individuals that have been collected since 2011. For details see Mildenberger, M., Howe, P.D. , Lachapelle, E., Stokes, L.C., Marlon, J., and Gravelle, T. “The distribution of climate change public opinion in Canada.” Available here.
This research and website are funded in part by the Social Sciences and Humanities Research Council of Canada, the Fonds de Recherche du Québec - Société et Culture, the Skoll Global Threats Fund, the Energy Foundation, and the Grantham Foundation for the Protection of the Environment. Additionally, funding for individual survey waves was provided by the Ministère des Relations internationales et de la Francophonie, the Public Policy Forum, Sustainable Prosperity, Canada 2020, l’Institut de l’énergie Trottier and la Chaire d’études politiques et économiques américaines.