ITU‐T's Technical Reports and Specifications 823 2 References [ITU‐T TR SSC Def] Technical Report on smart sustainable cities: an analysis of definitions (2014). [ITU‐T TR EMF Con] Technical Report on electromagnetic field (EMF) consideration in smart sustainable cities (2014). [UN‐Habitat report] UN‐Habitat report (2013), State of the World’s cities 2012/2013 Prosperity of Cities. [OECD KE] Organisation for Economic Co‐operation and Development (1996), The knowledge‐based economy. 3 Definitions 3.1 Terms defined elsewhere This Technical Report uses the following terms defined elsewhere: 3.1.1 knowledge economy [OECD KE]: \"An economy whose most important elements are the possession, control, production and utility of knowledge and intelligent resources\", while 'knowledge based economy' is an expression \"coined to describe trends in advanced economies towards greater dependence on knowledge, information and high skill levels, and the increasing need for ready access to all of these by the business and public sectors\". 3.1.2 smart sustainable cities [ITU‐T TR SSC Def]: A smart sustainable city is an innovative city that uses information and communication technologies (ICTs) and other means to improve quality of life, efficiency of urban operation and services, and competitiveness, while ensuring that it meets the needs of present and future generations with respect to economic, social, environmental as well as cultural aspects. 3.2 Terms defined in this Technical Report This Technical Report defines the following term: 3.2.1 City sustainability The sustainability of a city is based on four main aspects: Economic: The ability to generate income and employment for the livelihood of the inhabitants; Social: The ability to ensure well‐being (safety, health, education, etc) of the citizens can be equally delivered despite differences in class, race or gender; Environmental: The ability to protect future quality and reproducibility of natural resources; Governance: The ability to maintain social conditions of stability, democracy, participation, and justice.