City planning History 142 Regional planning 118 Cities and towns 88 Urbanization 60 Urban policy 58 Environmental aspects 54 Architecture 51 Urban renewal 47 Sustainable development 38 Growth 36 Social aspects 36 Planning 33 Sociology, Urban 26 Public spaces 24 Social conditions 21 Urban ecology 21 Architecture and society 20 Case studies 20 City and town life 18 Economic aspects 17 Buildings, structures, etc 16 Architecture, Modern 15 Land use 15 Political aspects 15 Politics and government 13 Economic conditions 12 Philosophy 12 Citizen participation 11 Globalization 11