Margaret Atwood and David Suzuki are two of the most prominent Canadian public intellectuals involved in the global warming debate. They both argue that anthropogenic global warming is occurring, warn against its grave consequences, and urge governments and the public to take immediate, decisive, extensive, and profound measures to prevent it. They differ, however, in the reasons and evidence they provide in support of their position. While Suzuki stresses the scientific evidence in favour of the global warming theory and the scientific consensus around it, Atwood is suspicious of the objectivity of science, and draws on an idiosyncratic neo-Malthusian theory of human development. Their implicit views about the cognitive authority of science may be identified with Critical Contextual Empiricism and Feminist Standpoint Epistemology, respectively, both of which face difficulties with providing solid grounds for the position they advocate. .