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16 set 1986 ano - Montreal protocol

Descrição:

Montreal protocol is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances that are responsible for ozone depletion.

Adicionado na linha do tempo:

Environmental Movement

ByDan Dissell
8 set 2017
2
0
2114

Data:

16 set 1986 ano
Agora
~ 39 years ago
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