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16 Sept 1986 Jahr - Montreal protocol

Beschreibung:

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.

Zugefügt zum Band der Zeit:

Environmental Movement

ByDan Dissell
8 Sep 2017
2
0
1906

Datum:

16 Sept 1986 Jahr
Jetzt
~ 38 years ago
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