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April 1, 2024
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22h 31min, sep 16, 1987 y - Montreal Protocol


Description:

International treaty to protect the ozone layer by discontinuing the production of substances responsible for depletion.

Added to timeline:

25 Jan 2018
0
0
353
Environmental Law

Date:

22h 31min, sep 16, 1987 y
Now
~ 36 years ago
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