"united nations conference on environment and development unced" in German United Nations Conference on Environment and Development /UNCED/ Konferenz der Vereinten Nationen zu Umwelt und Entwicklung Detailed translations for "united nations conference on environment and development unced" United Nations Conference on Environment and Development /UNCED/ United Nations Conference on Environment and Development /UNCED/ Konferenz der Vereinten Nationen zu Umwelt und Entwicklung