We’re hearing more and more about cities and their roles in sustainability. But amidst that rising discussion, how can we build opportunities to ensure some real success for sustainable development in an urban world? In October, the Habitat III conference on urbanization resulted in the adoption of a 20-year strategy on sustainable cities. That document, the New Urban Agenda, promotes cities as positive forces for sustainable development. This recognition alone constitutes an important paradigm shift. Nevertheless, the New Urban Agenda falls short on two challenges. [...]
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