CONTETNS Part 1: SPATIAL HRRMONY 1.1 The Spatial Distribution of the World's Cities 4 1.2 Urban Growth Patterns 10 1.3 Which Cities are Growing and Why 24 1.4 Shrinking Cities 40 Part 2 : SOCIAL HARMONY 2.1 Why Urban Inequality matters50 2.2 Urban Inequalities: Regional Trends 62 2.3 Education, Employment and City Size82 2.4 Slums: The Good, the Bad and the Ugly 90 2.5 Slum Cities and Cities with Slums 106 Part 3 : ENVIRONMENTAL HARMONY 3.1 Urban Environmental Risks and Burdens 122 3.2 Cities and Climate Change 130 3.3 Cities at Risk from Rising Sea Levels140 3.4 Energy Consumption in Cities 156 3.5 Urban Energy Consumption at the Household Level 164 3.6 Urban mobility 174 Part 4 : PLANNING FOR HARMONIOUS CITIES 4.1 Inclusive Urban Planning for Harmonious Urban Development184 4.2 Building Bridges : Social Capital and Urban Harmony196 4.3 Unifying the Divided City204 4.4 Addressing Rural-Urban Disparities for Harmonious Regional Development 216 4.5 Metropolitan Governance: Governing in a City of Cities 226