Écologie humaine Human ecology 1,224 human ecology 502 SOCIAL SCIENCE 419 General 301 Ecology 244 Nature 243 Human Geography 218 Environnement 197 Effect of human beings on 187 NATURE 186 SCIENCE 172 Influence sur la nature 171 Philosophy 151 Êtres humains 147 Philosophie 146 Religious aspects 146 Aspect religieux 143 History 141 Histoire 123 Environmental aspects 106 Social aspects 106 Christianity 102 Environmental conditions 101 BUSINESS & ECONOMICS 97 Aspect social 96 Anthropology 94 Aspect de l'environnement 92 POLITICAL SCIENCE 89 RELIGION 86