City planning 78 Cities and towns 53 Urbanization 48 Sociology, Urban 30 Social aspects 25 History 20 Urban policy 20 more ... Regional planning 19 Urban renewal 18 Urban ecology (Sociology) 15 Environmental aspects 12 Growth 12 Slavery 10 City and town life 9 Public spaces 9 Race relations 9 Sustainable urban development 9 Urban economics 9 Economic aspects 8 Globalization 7 Sustainable development 7 Social conditions 6 Technological innovations 6 Metropolitan areas 5 Race 5 Racism 5 Social classes 5 Social mobility 5 Ethnicity 4 Middle class 4 less ...