State of the Environment the state of the world environment

State of the Environment the state of the world environment

Alle Versionen (2)
Bibliographische Detailangaben
1. Verfasser: United Nations Environmental Program
Format: Buch
Sprache:English
Veröffentlicht: Nairobi, Kenya United Nations Environmental Program 1987.
Schlagworte:
Environmental protection > Congresses.
Environmental policy > Congresses.
Health > Environmental aspects.