By 2025, it is estimated that around 58% of the world’s population or about 4.6 billion people will be living in urban areas. This means that in developed regions and cities, approximately 80% of the total population will be centred in cities. As you can imagine, this would represent challenges for city planners who have to review how basic city services are provided to residents more sustainably. Pranabesh Nath tells us about what makes a smart city. 

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