Sustainable development Environmental aspects 61 Economic development 53 Environmental policy 48 Economic aspects 25 Economic conditions 19 Natural resources 18 more ... Social aspects 17 Human ecology 16 Environmental economics 15 Government policy 15 Economic policy 13 Management 13 City planning 12 Urban ecology (Sociology) 12 Social justice 11 Case studies 10 Consumption (Economics) 10 Globalization 9 International cooperation 9 Urbanization 8 Women in development 8 Environmental degradation 7 International economic relations 7 Citizen participation 6 Climatic changes 6 Land use 6 Moral and ethical aspects 6 Political aspects 6 Poverty 6 less ...