At the heart of almost all of a Smart City’s systems, is sustainability. This careful planning of infrastructure and the responsible use of resources means less impact on the environment, and an improved quality of life for residents. In this last episode of our Smart City series, we chat to a Singapore-based sustainability expert, Waterfall Management Company’s CEO and Attacq’s Senior Sustainability Manager about the sustainability plans being put in place today, as well as the trends that will shape cities of the future.