This paper focuses on studying the peculiarities of the linguocognitive actualization of the concept of ecosophy in language education discourses with an emphasis on its cross-cultural ontology in the English language teaching and learning environments of Argentina, Côte d'Ivoire, the Congo, Ethiopia, Kenya, Nigeria, Peru, Tanzania, Togo, Uganda, Ukraine. On the premise of analysing the multidisciplinary essence of ecosophy as deep ecology philosophy, within the methodological framework of cognitive linguistics, ecolinguistics and linguoculturology, the authors substantiate the status of ecosophy as a universal fundamental conceptual constituent of linguodidactic discourses of the twenty-first century, oriented at biospheric egalitarianism ...