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1 gen 1975 anni - Warnings about environmental effects of airplanes leads to investigations of trace gases in the stratosphere and discovery of danger to ozone layer.
Aggiunto al nastro di tempo:
Climate Change
By
Shelby Johnson
17 feb 2018
0
0
431
Data:
1 gen 1975 anni
Adesso
~ 49 years ago
Immagini:
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