The article discusses current issues of international tourism. In particular, modern trends in the sustainable development of tourism. Tourism is an important stimulating force and it plays a great role in the development of economic, social and ecological conditions of countries and regions. The article analyzes the aspects and experiences of sustainable tourism development in the world on the example of different countries. It has become increasingly associated with "green tourism" in recent years, which is a factor in the transition to a "green economy". Green tourism has gained special recognition in international tourism. It is a relatively young field of recreation and is the basis for the development of sustainable tourism. In the life of modern people it is important not only to relax, to regain strength, but also to find peace and balance. The tourism product of green tourism is nature and maximum proximity to it, in parallel with the study of the characteristics of the country or area along which the tourist route is planned. The paper highlights the facts of environmental imbalance in the world, which can have a beneficial impact on international tourism, both in socio-cultural, economic and environmental terms.