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The IUP Journal of Environmental Sciences
Urban Air Pollution Caused by Automobiles in Addis Ababa, Ethiopia and Its Health Consequences
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Addis Ababa faces a rapid increase in air pollution due to increasing number of automobiles which do not follow emission standards set by various environmental agencies. Lack of retirement policy for the vehicles worsens the problem. When the age of vehicles in Addis Ababa was studied, it was found that 53.5% vehicles were more than 20 years old, while 29.3% were more than 30 years old. The result was high tailpipe emission from the exhaust system. The major pollutants emitted include Hydrocarbons (HC), Nitrogen dioxide (NO2), Carbon monoxide (CO), Carbon dioxide (CO2), Suspended Particulate Matter (SPM), and Sulphur dioxide (SO2). These hazardous chemicals cause various respiratory infections and diseases in human beings. In this regard, a specific medical study of patients and their exposure to the pollution level was done. Out of the top 20 leading causes of out patient visit by region in all health centers and hospitals of Addis Ababa, the occurrence of acute respiratory infections was of prime concern. This may be largely attributed to the noxious emissions of the vehicle transportation. Data shows that cases of acute respiratory infection were about 148,000 in 2006-2007, which reached up to 207,000 in 2007-2008. This paper attempts to find out a strategic policy and legal options to combat air pollution for sustainable development of the country.

 
 
 

It is a well-known fact that with rapid industrialization, urbanization and migration, particularly in the developing world, there is a vast decline in the quality of environmental conditions (Sharma et al., 1996).

State of the World’s cities 2008-09 says, “From a sustainable development perspective, the welfare of future generations depends on how well present generations tackle the environmental burdens associated with urban living. Cities, when not properly planned, governed or managed, can easily threaten the quality of air, the availability of water, the capacity of waste processing and recycling systems, and many other qualities of the urban environment that contribute to human well-being” (UN Habitat, 2009).

In Addis Ababa, the urban environment is changing because of a dramatic increase in population in the last few decades. The population which was nearly 1.4 million in 1992, reached four million today. The high growth of population has been putting a tremendous pressure on the city’s environmental conditions. Air pollution has become one of the most important environmental factors among others.

Air pollution has led to an increase in the incidence of diseases and ill health in several developing countries (CPCB, 2001). In many of these countries, lower respiratory diseases linked to air pollution are a major cause of premature deaths. This paper attempts to trace out the link between air pollution caused by toxic emissions from the tailpipes of fossil fuel propelled automobiles, and its impact on the health of the dwellers of Addis Ababa city. The paper also suggests some strategic solutions to minimize the toxic impact of outdoor vehicular air pollution in the city.

 
 
 

Environmental Sciences Journal, SWAT Hydrological Model, Upper Bernam River Basin, Malaysia, Soil and Water Assessment Tool, Geographic Information System, Water Resources, Remote Sensing Technology, Agricultural Research Service, Universal Soil Loss Equation, GIS Database, Landsat Thematic Mapper Imageries, Meteorological Data, Government Departments.