10 Things That Make a Great Green City (Slideshow)

© Jennifer Hattam. Gülhane Park, Istanbul. Green space is essential to the health of a city and its people.

With 180,000 people moving to the world's cities every day, 75 percent of the global population is expected to be living urban lives by 2050. That concentration makes cities massive contributors to overall levels of pollution and CO2 emissions, but also provides the opportunity to enact changes that can have broad and deep impact. As Ricky Burdett, the director of the Urban Age program at the London School of Economics and Political Science said at the group's recent conference in Istanbul, "If you make cities more efficient, you make the world more sustainable." Here are 10 ways to do just that.

10 Things That Make a Great Green City Slideshow

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Tags: Biking | Cities | Commuting | Green Building | Public Transportation | Urban Life | Urban Planning

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