For the first time in human history more than half the Earth’s population have migrated to live in towns and cities and complete global urbanisation seems to be inevitable.
Forty years ago the population of only three cities exceeded 10 million, whereas now there are 32 cities of this size and three of these are home to over 20 million each.
United Nations Population Division estimates predict that the rate of global urbanisation will continue to accelerate to approach 60% by 2030 and 70% by mid-century. This trend will have major impact on the demand for energy, particularly in the developing countries of Africa and Asia.
The importance of energy security
Interruptions in supplying the energy demand of urban populations have potentially greater impact than mere frustration and inconvenience; they can threaten economic and physical survival.
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