66 ITU‐T's Technical Reports and Specifications Annex 1 ‐ Definitions of a smart sustainable city *Details of references are provided in Annex 2. Ref. No. Category Definitions/Features Key concept/ Keywords Source 1 Academic A smart sustainable city is a city well performing in six (6) characteristics, built on the 'smart' combination of endowments and activities of self‐decisive, independent and aware citizens: (i) Economy. (ii) Mobility. (iii) Environment. (iv) People. (v) Living. (vi) Governance. Economic growth, transport, mobility, environment, standard of living, governance. Giffinger et al. (2007) 2 Academic \"We believe a city to be smart when investments in human and social capital and traditional (transport) and modern (ICT) communication infrastructure fuel sustainable economic growth and a high quality of life, with a wise management of natural resources, through participatory governance.\" ICT, high quality of life, natural resource management, participatory governance, transport infrastructure, communication infrastructure, economic growth, sustainability. Meijer et al. (2013) 3 Academic The rudiments of what constitutes a smart sustainable city which we define as a city in which ICT is merged with traditional infrastructures, coordinated and integrated using new digital technologies. Traditional infrastructure, ICT, integrated infrastructure, coordinated infrastructure, digital technology. Batty et al. (2012) 4 Academic Instead of striving for physical growth, a city's success today should be measured by how wisely it uses energy, water, and other resources, how well it maintains a high quality of life for its people, and how smart it is in building prosperity on a sustainable foundation. In short, cities have to become much smarter about how they use the existing capacities and resources. Wise use of resources, quality of life, sustainability. Dixon (2012)