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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.

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Environmental Movement

ByDan Dissell
8 Sep 2017
2
0
2113

Datum:

16 Sept 1986 Jahr
Jetzt
~ 39 years ago
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