Contribution of Vehicle Exhausts Gas Emissions to the Traffic Air Pollution of Selected Areas of Addis Ababa City Emission from vehicles especially automobiles are responsible for air pollution in the urban area. This study ...

High concentration of nitrate ion in water bodies are considered as public health concern globally, which may cause blue baby syndromes, diabetes, stomach cancer because it produces N-nitroso compounds which are potent ...

In this thesis, we study road traffic noise at five different sites of the capital city of Ethiopia, Addis Ababa. These five sites are hospitals, courts, schools, commercial and residential areas. From these five sites, ...