Some scholars and activists have suggested that discourses of environmental sustainability do not include sufficient attention to social issues or environmental justice. Since social inclusion is a prevalent masterframe among activists and in social policy circles in Canada and elsewhere, our research explored the extent that English-speaking Canadian environmental non-governmental organisations (ENGOs) incorporate discursive aspects of social inclusion into their website communication. Social inclusion includes such issues as multiculturalism, gender inequality, low income and racialisation. We analysed mission statements, programmes and policy analysis presented by a sample of ENGOs drawn from the membership of the Canadian Environmental Network for evidence of a variety of indicators of attention to social inclusion. We conclude that environmental groups remain locked into an “environmentalist” frame that often ignores such issues. This has major implications for partnerships with other Canadian social...