Environmental aspects Social aspects 404 Environmental policy 400 Economic aspects 399 History 371 Sustainable development 370 Economic development 343 mer ... Climatic changes 264 Government policy 238 Environmental conditions 201 City planning 200 Pollution 193 Agriculture 140 Management 138 Political aspects 135 Health aspects 134 Architecture 130 Ecology 129 Environmental protection 129 Human ecology 127 Energy policy 118 Urban ecology (Sociology) 108 Law and legislation 106 Toxicology 104 Social conditions 95 Social responsibility of business 91 Effect of human beings on 90 Land use 85 Air 84 Environmentalism 84 mindre ...