Environmental aspects Sustainable development 34 Economic development 20 Social aspects 20 Economic aspects 17 Climatic changes 16 City planning 14 más ... Environmental policy 14 Management 13 Tourism 12 Social responsibility of business 11 Energy policy 7 Sustainable urban development 7 Urban ecology (Sociology) 7 Environmental protection 6 Government policy 6 History 6 Industries 6 Technological innovations 6 Industrial management 5 Land use 5 Planning 5 Pollution 5 Regional planning 5 Water resources development 5 Agriculture 4 Architecture 4 Carbon dioxide mitigation 4 Ecotourism 4 Environmental conditions 4 menos ...