Promoting environmental awareness in Botswana: the role of community education

botswana conduite des herbages deforestation economic development education environmental degradation environmental policies environmental protection forest management gestion des ressources grassland management manejo de praderas nongovernmental organizations organisation non gouvernementale organizaciones no gubernamentales overgrazing politique de l'environnement population density population pressure protection de l'environnement range management resource management ressource en eau sobrepastoreo urbanisation urbanization water resources