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Smart garbage: The future of stink
Philadelphia saves more than $1 million each year with its "smart" trash cans. CNN's Rachel Crane shows us how it works.
2:06 • Source: CNN
City of Tomorrow 12 videos
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Smart garbage: The future of stink
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• Source: CNN
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The city of tomorrow is already here
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COT Dubai Bur -Khalifa STILL 01
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Inside the tallest building in the world
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Is this the greenest city in the world?
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COT Doha STILL 01
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City of the future, museum of the past
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The genius evolution of the park bench
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Should smart cities build from scratch?
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• Source: CNN
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LAPD's data mining program has CIA roots
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Giant wind turbines vs a tiny bird
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Secrets behind this super-green building
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• Source: CNN
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San Diego's billion-dollar water bet
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Can surveillance make life easier?
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• Source: CNN