UN-Habitat Executive Director Ms. Maimunah Mohd Sharif taking part in the Nairobi monthly clean up exercise in Mathare Slum in Nairobi, Kenya 2018 © Julius Mwelu /UN-Habitat NAIROBI, 3 December 2018 – A large crowd of residents from one of Kenya’s biggest slums, Mathare, joined UN-Habitat staff members and diplomats for the Nairobi County Government’s