The collection includes materials of the III International Scientific and Practical Conference “Modern Megapolis: green economy of the smart city" , which was held on November 19, 2019 at the University of the Government of Moscow and was devoted to the need to find new effective solutions for the transition to a green economy which , relying on resource-saving and environmentally friendly productions, aims to improve human well-being and reduce risks to the environment. Issues such as innovative development of urban enterprises in order to increase productivity and energy efficiency, reduce energy intensity and environmental friendliness, ensure the environmental friendliness of goods and services produced ; were considered. improving the quality of public services and reducing the costs of their production, increasing the openness of executive authorities, eliminating corruption in order to reduce the burden of government regulation for business structures ; Interaction of civil society, expert community, authorities and business in matters of educational and educational activities, as well as social advertising for the development of a broad movement in support of sustainable urban development ; improving the protection of the population and objects of the economy from negative anthropogenic impact as a result of municipal waste disposal ; study of the experience of large cities in the implementation of the concept of a green economy ; International and interregional cooperation for sustainable urban development ; Study of the experience of the transition of large cities to a circular economy . In the preparation of the texts included in the publication, materials of the legal system “Consultant .” were used. Plus".