Cities are the centerpiece for the vast majority of the world’s data production and energy consumption. According to the United Nations, more than half (55 percent) of the global population currently resides in urban areas, and that number is projected to rise to nearly 70 percent over the next three decades.

It’s predicted that in the next five years, around 80 billion devices will be smart devices with Internet connection, and that cities may produce as much as 180 zettabytes of data by 2025. The World Bank reports that cities consume up to 80 percent of worldwide energy production, and are projected to account for around three-quarters of global greenhouse gases by 2030.

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