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The Lerner Challenge

Can we turn urban nightmares into green dreams?

Cities can be efficient constructs to organize populations, but architect and town planner Jaime Lerner points out that most urban areas have developed in ways that create transport and liveability problems. He argues that cities must have real diversity – in age and income, but also in terms of where businesses, leisure and housing are situated. While mayor of Curitiba, Brazil, Jaime Lerner pedestrianized the city centre over a weekend, and helped invent the Bus Rapid Transit system that is now used in 120 cities. Curitiba has developed along these transportation routes, but most cities don’t have this advantage. How can we improve transportation links? Can we encourage rich and poor to live in the same neighbourhoods? How do we get people to live closer to work? 

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Jaime Lerner
Jaime Lerner
Urban Planner and ex-Mayor -
Curitiba, Brazil
04 July 2011

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