![]() Urban development can change the environment or ecosystem through, for instance, the expansion of paved, impermeable areas, which prevent rain from being absorbed by the soil thereby increasing flood hazard, particularly in low-lying areas. ![]() The significance of this risk is underlined by the fact that in 2012, more than 60% of the area projected to be urban in 2030 was yet to be built.Ĭity regions are becoming increasingly exposed and are creating new patterns of intensive risk at the same time, poorly planned and managed urban development has generated new hazards and extensive risk: In 2015 the World Economic Forum identified urban planning failures as a distinct risk factor. ![]() Urban development investment is also set to increase from US$7.2 trillion in 2011 to US$12 trillion by 2020. Growing concentrations of people and economic activities in many cities are seen to overlap with areas of high risk exposure.Įstimates suggest that by 2050, urban population exposed to cyclones will increase from 310 million to 680 million while exposure to major earthquake will increase from 370 million to 870 million. The growing rate of urbanization and the increase in population density (in cities) can lead to creation of risk, especially when urbanization is rapid, poorly planned and occurring in a context of widespread poverty. People, poverty and disaster risk are increasingly concentrated in cities. Source: Tom Young Wildlife/ShutterstockĪ new wave of urbanisation is unfolding in hazard-exposed countries and with it, new opportunities for resilient investment emerge. Whether or not disaster risk is factored into investment decisions in urban development will have a decisive influence on the future of disaster risk reduction.ĭwellings of the slum of Dharavi in Mumbai, India.
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