AlertNet: Just how fast is sustainable urban development becoming a focus? Look at its profile in the just-concluded Rio+20 UN conference on sustainable development in Rio.
Experts, UN officials and activists spoke of how the world’s bulging urban population will need a bigger share of resources and attention. If the bulk of the world’s urban population remains poor and locked out of the development processes, stresses will multiply, they said.
And changing climate patterns, they added, are likely to…

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