The metabolism of cities

Some of the world’s largest cities are both significant financial players and major polluters, with London, for example, requiring the equivalent of three super-tankers of oil to meet its weekly energy demands. Despite these challenges, the United Nations predicts that three-quarters of the world’s projected population of 9 billion people will be living in urban areas by 2050, making cities a crucial priority in addressing the ongoing Earth emergency. While city planners are engaging in lively exchanges across the world to share innovative new approaches ...


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