The article considers the problem related to climate change as the cause of the emergence and maintenance of migration flows. Despite the fact that the last migration crisis of 2015 was mostly caused by armed clashes and conflict-prone territories, this article considers demographic and climatic changes as the dominant reasons for the increase in future migration flows, not armed conflicts or economic factors. Meanwhile, on the example of the migration crisis of 2015 It became clear that the host States had failed to deal effectively with the large waves of migrants. In this regard, the article presented several scenarios for the future cultural interaction between migrants and the host society.