Nowadays, the traditional perception of the family is changing. However, understanding children preferences and shaping their views of the world still remain the key prerequisites for the environmental sustainability. The purpose of the article is to analyze models of single fatherhood, to study the motivation and structure of factors that determine the involved fatherhood making, the specifics of mother’s and parent family’s influence on the paternal practices implementation. Our research testifies to the fact that single fathers tend to become family leaders and undertake responsibility related to childcare in the context of transforming marital and family relations as well as facing global environmental issues. The results of the study show that single fatherhood is usually a forced situation caused by death or severe illness of the mother, her deviant behavior and leaving the family, deprivation of parental rights, divorce consequences, long-term separation of spouses, use of modern reproductive technologies of surrogacy. It is concluded that the scenarios of the single fatherhood becoming – planned or casual – are associated with the cause of the child appearance in the family. The significant differences are found in the social and cultural capital of the single fathers which might have different impacts on the level of environmental education they can pass on to their children.