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Cities hold 50% of global population but consume 60% of global energy consumption!
Jul 26th 2012
FT/Citi Ingenuity Awards 2012.
https://www.youtube.com/watch?v=ayc627scfDU
Further info at:
https://www.ft.com/content/3a68532d-3409-36fb-a597-196769180b8c