There are three major forces that will create enormous global transformation over the next 10 years. The first is population growth. There are 7 billion people today, and it is estimated that, by 2020, there will be about 8 billion people on the Earth. More than 95 percent of these additional people will live in cities, and there will be more than 60 cities with at least 5 million inhabitants. The sheer numbers of people are creating unprecedented challenges of energy consumption, waste management, water supply, infrastructure and traffic management. Link >>
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