Environmental aspects Aspect de l'environnement 2 Nature 2 Agriculture 1 City planning 1 Colonisation intérieure 1 Conservation 1 more ... Conservation of natural resources 1 Ecology 1 Effect of human beings on 1 Environmental conditions 1 Environmental policy 1 Environnement 1 Fertilité 1 Gestion 1 Government policy 1 Histoire 1 History 1 Human ecology 1 Land settlement 1 Management 1 National parks and reserves 1 Nationalpark 1 Nature conservation 1 Parcs nationaux 1 Politique gouvernementale 1 Renaturierung 1 Renaturierung (Ökologie) 1 Soil conservation 1 Soil fertility 1 less ...