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One of the biggest challenges for the world this century is how to accommodate1the hundreds of millions of people who will flock to cities,especially in emerging economies2.Coping with this human torrent3will be fearsomely difficult—but at least the problem is widely acknowledged.That is not true of another pressing urban dilemma4:what to do with cities that are losing people.
One of the biggest challenges for the world this century is how to accommodate 1 the hundreds of people who will flock to cities, especially in emerging economies2.Coping with this human torrent3will be fearsomely difficult-but at least the problem is widely acknowledged.That is not true of another pressing urban dilemma4: what to do with cities that are losing people.