1 gen 1987 anni - Montreal Protocol
Descrizione:
The Montreal Protocol on Substances that Deplete the Ozone Layer (a protocol to the Vienna Convention for the Protection of the Ozone Layer) is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances that are responsible for ozone depletion.Aggiunto al nastro di tempo:
Data:
1 gen 1987 anni
Adesso
~ 37 years ago
