15
/de/
de
AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
23130
2065
2

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:

8 Sep 2017
2
0
466
Environmental Movement

Datum:

16 Sept 1986 Jahr
Jetzt
~ 32 years ago
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