The article highlights the issue of forming the ecological competence of the future biology teacher, based on global violations of the global ecosystem, the devaluation of the importance of preserving the environment, its resources, role in life and human health. It is emphasized that the sustainable development of society involves determining the value priorities of establishing the responsibility of each individual citizen and society as a whole for the consequences of environmental activities in order to preserve and protect the environment. The importance of continuous environmental education, in particular in pedagogical educational institutions, has been established.