Environmental aspects Aspect de l'environnement 287 History 188 Environmental policy 173 Social aspects 161 Economic development 151 Economic aspects 139 more ... Sustainable development 131 Pollution 89 Environmental conditions 83 City planning 82 Climatic changes 72 Environmental protection 70 Human ecology 69 Architecture 68 Political aspects 62 Environnement 59 Government policy 55 Nature 48 Effect of human beings on 47 Urban ecology (Sociology) 47 Land use 45 Ecology 44 Agriculture 43 Environmentalism 42 Politique gouvernementale 42 Social conditions 42 Environmental degradation 41 Management 40 Développement économique 39 less ...