The paper reviews current trends in ecotourism development in the world. In this article, the contribution of eco-tourism in the economy of the world and Ukraine was evaluated. The basic global issues that directly affect the implementation of ecotourism were analyzed. Besides, the characteristics of these problems were given. The research identified and analyzed the dynamic changes in travel costs after exposure to global problems. The migration in the world was described, and given the impact that unauthorized migration has on the development of ecological tourism. In addition, in the article, the authors study an analysis of climate change and changes that have occurred in various tourist destinations. In addition, the main ways, which can begin active ecotourism development and, in turn, will help to reduce the impact of global issues, were depicted. [ABSTRACT FROM AUTHOR]