Mixing and Matching Toxic Wastes - Using various toxic wastes from multiple sources (unrelated firms) in various combinations to neutralize them and maybe generate useful products.
Best entry that uses technology to transform its infrastructure and make better use of energy, resources and services.
The concept which is the most transformative. The winners must be willing to work with the Adelaide Smart City Studio. Must use South Australian data discoverable on https://data.sa.gov.au/.