Nairobi fought fiercely to save the indigenous Karura Forest in northern Nairobi which was under threat of being replaced by housing and other infrastructure. Nairobi's western suburbs stretch all the way from the Kenyatta National Hospital in the south to the UN headquarters at Gigiri suburb in the north, a distance of about . The city is centred on the City Square, which is located in the Central Business District. The Kenyan Parliament buildings, the Holy Family Cathedral, Nairobi City Hall, Nairobi Law Courts, and the Kenyatta Conference Centre all surround the square. Under the Köppen climate classification, Nairobi has a
Nairobi domestic users to industries in five cities, with the highest incidence of bribery in Nairobi. There is wide variety regarding standards of living in Nairobi. Most wealthy Kenyans live in Nairobi, but the majority of Nairobians are average and poor. Half of the population have been estimated to live in slums which cover just 5% of the city area. The growth of these slums is a result of urbanisation, poor town planning, and the unavailability of loans for low income earners. Kibera is one of the largest slums in Africa, and is situated to the west of Nairobi. (Kibera comes