摘要:Article is devoted to features of sustainable development of territories of traditional environmental management in the conditions of implementation of investment projects in South Yakutia. The main objective of a research consists in revealing features of sustainable development of the territory of traditional environmental management on the basis of interaction of three sectors of economy. The methodology of a research considers specific internal factors of social and economic development of settlements, a cycle of development of investment projects and gives an idea of economy of northern territories as unity of three sectors – traditional, industrial and state. Methods of the studying and the analysis of statistical documentation included in observations, poll are applied. The principles of sustainable development of territories of traditional environmental management at implementation of investment projects are specified.