How can we make the world's cities smarter? It's reckoned that by 2050 more than 70 percent of us will live in urban areas. In the Balance discusses how to cope with megacities. Show more
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How can we make the world's cities smarter? It's reckoned that by 2050 more than 70 percent of us will live in urban areas. In the Balance discusses how to cope with megacities. Show more
The BBC's international radio station
