The basic of a smart city is the integration of the information and communication technology (ICT), and various physical devices connected to the IoT network to optimize the efficiency of city operations and services and connect to citizens. These connections enable economic benefits and improve citizens’ lives. The International Congress on Natural Science and Engineering (ICNSE) will be held from January 20 to 22 in Nagoya, Japan. World’s scholars, professionals and researchers interested in creating a better future will gather in the congress and discuss the development, technologies of smart cities and its impacts on natural sciences. Topics of interest for submission include, but are not limited to: *Smart City Planning *ICT- Information & Communication Technologies *AI- Artificial Intelligence *IoT- Internet of Things *Smart Agriculture and Environment *Energy and Applied Sciences *Transportation & Mobility *Engineering .Should you have any inquiries or need assistance, please feel free to contact ICNSE Conference by emailing to [email protected]