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20 dic 2023 anni - December 20, 2023 Antarctic ozone hole closes once more, still on track with the healing plan set by the Montreal Protocol.
Aggiunto al nastro di tempo:
HNRS 130 Timeline
By
roberttarae42
6 mesi fa
0
0
94
Data:
20 dic 2023 anni
Adesso
~ 1 years and 5 months ago
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