More than half of us live in cities. By 2050, two-thirds of all humanity -6.5 billion people- will be urban. Sustainable development cannot be achieved without significantly transforming the way we build and manage our urban spaces.

The rapid growth of cities -a result of rising populations and increasing migration- has led to a boom in mega-cities, especially in the developing world, and slums are becoming a more significant feature of urban life.

Making cities sustainable means creating career and business opportunities, safe and affordable housing, and building resilient societies and economies. It involves investment in public transport, creating green public spaces, and improving urban planning and management in participatory and inclusive ways.

From the website of UNDP Representative Office in Washington D.C.

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