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The changing social order

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View all copies of this ISBN edition:. Synopsis Urbanization is probably the most important process taking place in African countries. Buy Used View Book. Other Popular Editions of the Same Title. Routledge, Hardcover. Chapter Population Urbanization and the Environment. Urbanisation problems and suggested solutions In Zimbabwe. Urban sociology Wikipedia Journal of Global Health Perspectives Introduction The last decade and half in Africa s recent history has been marked by some dramatic and significant developments on the continent s political.

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Contemporary urbanisation processes Geography. Sociology the basics of Internet Geography Learn on the Internet. Population urbanization and environment. World urbanization to the present. Urban sociology Wikipedia Amazon co uk. Urbanisation Urbanisation Journal Sustainability g.

Sociocultural evolution Wikipedia Population age comparison between rural Pocahontas County Iowa and urban Johnson County Iowa illustrating the flight of young adults red to urban. In developing countries, about a third of urban inhabitants live in impoverished slums and squatter settlements UN-Habitat, Slums are urban areas that are heavily populated and have sub-standard housing with very poor living conditions, creating several problems. Many low-income families gravitate to these informal settlements that proliferate in and around towns.

Poverty is one of the most critical issues facing urban areas.

Urbanization as a Social Process: an essay, on movement an changing contemporary Africa

Urban poverty degrades both the physical and social environment. The provision of water and sanitation services to growing urban settlements, peri-urban and slum areas presents critical challenges. The increased demand for water from the growing population can place added stress on already stretched resources. In and around cities, water is commonly in short supply and subject to increasing competition by different users.

Urbanization: An Environmental Force to Be Reckoned With

Urban growth leads to increasing demand for water for industrial and domestic use, which conflicts with agricultural demands. It is especially difficult to provide water and sanitation services to deprived areas and the poorest people. Many people in these areas live without access to safe drinking water and proper sanitation. Even where adequate water supplies are available, sanitation and wastewater disposal are often inadequate or missing. Pit latrines and septic tanks are the usual methods for human waste disposal but they have limited capacity and are not always adequate to cope with the quantity of waste produced by many people living close together.

Social Change and Modernization in African Societies South of the Sahara - Persée

Overflowing latrines and septic tanks contaminate surface water and create a serious health risk. The lack of these essential services threatens not only the health and the environment of people in slum areas, but also that of people living in formal urban areas. In Africa and Asia most of the urban centres have no sewers at all, which affects rich and poor alike. This is true of many cities with a million or more inhabitants, as well as smaller cities and towns. Urbanisation affects land, water, air and wildlife because of the number of people, the amount of buildings and construction, and the increased demands on resources.

It has impacts on the physical environment in several ways. In developing countries, including Ethiopia, many rivers in urban areas are more like open sewers Figure 5. The lack of sanitation and sewerage systems has a dramatic impact on urban watercourses. People use the rivers to dispose of all their wastes from homes, industries and commercial businesses. Wastewater from human settlements contains organic material and nutrients; industrial wastewater contains many different types of toxic pollutant. These make the water unsafe for humans to use for many purposes including drinking and irrigation, as well as harming the fish and other animals and plants living in the water.

Any changes to the quality of surface water also affects groundwater because they are linked by the processes of the water cycle so pollutants from the surface will infiltrate down and contaminate soil and groundwater as well. In many towns and cities solid waste management is inefficient or non-existent. Solid waste management means the proper collection, transfer, recycling and disposal of all the solid material we throw away, including plastics, paper and cardboard, food wastes, electrical waste, etc.

Learning Outcomes for Study Session 5

It also includes industrial, hospital and institutional wastes which often contain pathogens as well as hazardous and toxic chemicals, which need special care. Urban waste often ends up in illegal dumps on streets, open spaces, wastelands, drains or rivers. This is frequently a problem in peri-urban areas, which are convenient for dumping wastes because of the availability of open space and ease of access from central urban areas.

This can lead to the pollution of groundwater and surface waters which may be used as a source for drinking water. Sometimes the wastes are collected and taken to legalised waste disposal sites but these are not always properly managed to protect water bodies and groundwater. The combustion of solid waste creates yet another environmental problem. People want to get rid of the wastes and they will burn them in their backyards if there is no collection system Figure 5.

Air quality in towns and cities is frequently very poor as a result of air pollution from many different sources Figure 5. These include:. Poor air quality has a significant impact on the health of many urban residents as well as leaving a damaging and unsightly layer of dust on plants, buildings and other surfaces. Urbanisation can have both positive and negative effects on health. The main benefits are associated with easier access to hospitals, clinics and health services in general.

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If you live close to these services you can reach a doctor in minutes rather than hours or days, so this improves emergency care and general health. There are also benefits from easier access to sources of information such as radio and television which may be used to communicate information about health to the general public. For example, women living in towns and cities are more likely to be informed about family planning, which results in reduction in family size and less frequent childbirth, with consequent benefits to general health.

However, urban life can also damage your health. Poor environment, housing and living conditions are the main reasons for poor health in urban areas. Contamination of water sources can cause epidemics of waterborne disease. Close proximity to other people can make the spread of many types of infectious disease more likely. The polluted air can also cause respiratory disease and contribute to premature deaths among more vulnerable sections of the population such as older people and children.

Population movements also put pressure on food supplies and on food distribution. As people migrate to the cities, they tend to use purchased food instead of their own crops and this makes them more vulnerable to changes in food prices. As the population grows and the demand for water and land increases, it becomes difficult to increase food production in a sustainable way. The increase in urban demand, combined with a loss of agricultural land, means more pressure on rural people to produce food for the growing number of urban people.

Furthermore, pollution from urban areas can disrupt food supply. For example, fisheries are often damaged by urban domestic wastes and liquid effluents from city-based industries. Effluent is another word for wastewater that flows out from a source. In several Ethiopian cities, such as Bahir Dar, Hawassa, Bishoftu and others, untreated wastes are dumped into nearby lakes, which can damage the fish stocks Figure 5.

The process of urbanisation has positive as well as negative economic and social changes. The positive effects include economic development, and education. However, urbanisation places stresses on existing social services and infrastructure. Crime, prostitution, drug abuse and street children are all negative effects of urbanisation.

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Also there tends to be a lack of social support for children in school and home by their hard-working, usually poor, parents. Inadequate income, overcrowded housing and poor living conditions create a fertile ground for the development of violence.