Nature Effect of human beings on 11 Homme 4 Influence sur la nature 4 Conservation 3 Human ecology 3 Nature conservation 3 Améliorations foncières 2 Biotic communities 2 Effect of environment on 2 Environmental aspects 2 Environnement 2 Gebouwde omgeving 2 Housing 2 Huisvesting 2 Human beings 2 Aspect religieux 1 Botany 1 Changement global (Environnement) 1 Comportement humain 1 Cryosphere 1 Cryosphère 1 Dégradation 1 Ecocriticism 1 Ecological and Environmental Phenomena 1 Ecological assessment (Biology) 1 Ecology 1 Energy conservation 1 Environmental Microbiology 1 Environmental degradation 1