Table of content Perspectives and ways forward ........................................................................................223 No two cities are alike ......................................................................................................223 A- Vision and governance .....................................................................................................224 B- Innovation and partnerships ..............................................................................................225 C- Innovation and citizens’ participation ....................................................................................225 D- City labs and experiments .................................................................................................226 E- Carbon-neutral cities ......................................................................................................226 F- Energy savings and buildings .............................................................................................226 G- Mobility and greenhouse gas emissions ................................................................................227 H- Healthcare ..................................................................................................................227 I- Security ............................................. ..........................................................................228 J- Quality of life ................................................................................................................228 K- Some limitations ...........................................................................................................228 Urban transformation and tomorrow’s lifestyles ...............................................................228 The common good requires all hands on deck ...................................................................230 A- Great smart cities’ challenges require good city governments .......................................................230 B- Smart cities offer companies major market opportunities and an environment that encourages disruptive innovations .........................................................231 New business opportunities . .............................................................................................231 New business models .....................................................................................................232 Mobility and infrastructure ...............................................................................................232 C- Smart cities have many constituencies and stakeholders ............................................................233 List of Figures Figures Figure 8.1 Comparison of six cities over 18 dimensions ........... .......................................................224 Sources ..............................................................................................................................234 222 Quélin and Smadja | HEC PARIS | SMART CITIES | The sustainable program of six leading cities | 2021