Human ecology Écologie humaine 1,224 History 579 SOCIAL SCIENCE 531 human ecology 518 Nature 435 Ecology 429 General 420 Effect of human beings on 372 Histoire 317 Environmental conditions 285 Human Geography 282 Influence sur la nature 250 NATURE 241 SCIENCE 235 Environnement 226 Social aspects 224 Religious aspects 223 Philosophy 218 Êtres humains 211 HISTORY 197 Environmental aspects 174 Aspect religieux 156 Philosophie 156 BUSINESS & ECONOMICS 138 Conditions environnementales 134 Christianity 130 Aspect social 126 Environmental protection 119 Aspect de l'environnement 117