The document analyzes the dynamics of urban sustainability and slum development in Kibera, an informal settlement in Nairobi, highlighting the increasing growth of slums due to rapid urbanization and inadequate government intervention. It provides a historical context, current challenges faced by residents, and the urgent need for policy reforms to improve living conditions, infrastructure, and social services in these areas. The study emphasizes the dire consequences of poverty, lack of services, and exclusion from societal participation on the lives of slum dwellers.