State of the Environment the state of the world environment

State of the Environment the state of the world environment

Toon alle (2) versies
Bibliografische gegevens
Hoofdauteur: United Nations Environmental Program
Formaat: Boek
Taal:English
Gepubliceerd in: Nairobi, Kenya United Nations Environmental Program 1987.
Onderwerpen:
Environmental protection > Congresses.
Environmental policy > Congresses.
Health > Environmental aspects.