4) Nairobi (Kenya)
Nairobi is the capital and the largest city of Kenya. It is popularly known as the “Green City in the Sun.” The city is governed by the County Government of Nairobi. In July 2014, Nairobi’s governor unveiled 14 new garbage collection trucks and one wheel loader to boost the city’s capacity to handle solid waste.
3) Johannesburg (South Africa)
Johannesburg is the largest city in South Africa. It is one of the 50 largest urban agglomerations in the world. This modern and prosperous African city has many tall structures, parks, gardens and residential areas. The authorities encourage residents of Johannesburg to volunteer their time to help clean up public spaces.