If the marginal groups in a city are not integrated into the city, you will have problems at a number of levels.

CNN: Homes for the Zabbaleen

The new cabs will be integrated into the city starting in 2013.

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Unlike the last Winter Games in Vancouver, which was integrated within the city, Sochi has had to start from scratch -- new roads, rail, hotels, as well as an improved power grid.

CNN: February 8, 2013 -- Updated 1159 GMT (1959 HKT)

President Sarkozy of France recently asked ten teams of leading architects to re-imagine Paris as a city fully integrated with the natural environment.

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The Mahindra Group's Mahindra World City is an integrated township near Chennai in southern India developed in partnership with the state government of Tamil Nadu.

FORBES: Magazine Article

It is also possible that being outside an increasingly integrated European Union would fundamentally undermine the City as a global financial centre and cause many global businesses to quit the UK. All of this is worth debating, and no doubt will be, here and elsewhere, in the years to come.

BBC: EU costs and benefits: an impossible balancing act

Despite great resistance in Charlotte to the busing order in the early days, the city boomed after the last schools had been integrated in 1975.

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