Chapter 9 Quick facts

  1. The emergence of new urban areas and urban extensions in anticipation of demographic growth will by itself cause more emissions that than the world has generated in the last century.
  2. The loss of density in urban areas over the last two decades demonstrates that demographic and spatial expansion go hand in hand. Less dense cities bring higher infrastructure costs, worsen mobility, and destroy agricultural land.
  3. The dynamics of cities’ emerging futures will result in new urban forms and new patterns of well-being for people, new patterns of behaviour and resource use, and new opportunities and risks.
  4. Despite their increasing economic and demographic significance in both rich and poor countries, the role of cities is neither widely understood nor fully recognized in global official and public debates.
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