What is a smart city? & OR 15 Min Cities All the same? Digital Lockdown for LIFE, Smart cities (also referred to as eco-cities or sustainable cities) use technology to improve efficiency and sustainability and to provide a better quality of life for their residents. This means improved traffic management, waste removal, resource management and security. A smart city uses information and communication technologies to improve its livability, workability and sustainability. https://www.nasdaq.com/articles/world-reimagined%3A-the-potential-of-smart-cities