Environmental Effects Of Urbanization

1310 Words6 Pages
The world is undergoing the largest wave of urban growth in history. More than half of the world’s population now lives in towns and cities, and by 2030 this number will swell to about 5 billion. Much of this urbanization will unfold in Africa and Asia, bringing huge social, economic and environmental transformations (UNFPA) [1]. Urbanization is accompanied by a number of challenges arising from population concentration in metropolitan cities; environmental degradation has occurred very rapidly and causing a shortage of basic needs, worsening water quality, air pollution and problems of disposal solid wastes and hazardous (Cronin 2012) [2]. Environmental decay in a city is essentially caused by rapid urbanization and the mismatch in the provision and maintenance of housing and infrastructure. These include exposure to lead, air pollution, traffic hazards, and the "urban heat island" amplification of heat waves. As the number of urban consumers and their material expectations rise and as the use of fossil fuels increases, cities contribute to the large-scale pressures on the biosphere including climate change (Agrawal 2014) [3]. The huge rise in numbers of urban dwellers has contributed to the growth of slums; characterized by overcrowding, poor housing, a lack of safe water and sanitation, low incomes, and physical and legal insecurity (Cronin 2012) [2]. The slums, due to lack of basic infrastructure, also cause severe impacts on the environment, even the smaller ones,

More about Environmental Effects Of Urbanization

Open Document