[Factor four. Double prosperity, half nature attrition. The new report to the Club of Rome]

affectation de ressources agotamiento de recursos conservation de la nature conservation des ressources environmental protection gestion des ressources klimawandel living standards nature conservation niveau de vie nivel de vida protection de l'environnement resource allocation resource conservation resource depletion resource management resource substitution substitution des ressources treibhauseffekt wirtschaftswachstum wohlstand