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For the first time in human history, more than half of us live in cities. Vibrant, complex, colossal -- what drives their success?

31 August 2012

Episode 2 - Seoul goes green

Seoul’s rapid development has also brought on massive environmental problems, forcing the Korean government to decree that all new growth must be green. We take a look at Seoul’s many eco-initiatives that have made it one of the world’s best examples of progressive urban development, including a project that turned a busy, air-polluted commuter highway into an inner-city oasis.

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