Why We Need an Urban Sustainable Development Goal
To quote from the article on The Nature of Cities” : The arguments for an urban Sustainable Development Goal are many. Urbanization has the ability to transform the social and economic fabric of nations and cities are responsible for the bulk of production and consumption worldwide, and are the primary engines of economic growth and development. Roughly three-quarters of global economic activity is urban, and as the urban population grows, so will the urban share of global GDP and investments.
The right to development for low-income and middle-income countries can only be realized through sustainable urbanization that addresses the needs of both rural and urban areas. It must also be recognized that cities are home to extreme deprivation and environmental degradation with one billion people living in slums. In many countries the number of slum dwellers has increased significantly in recent years, and urban inequality is deepening. see the full article here