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sep 16, 1986 - Montreal protocol

Description:

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.

Added to timeline:

Environmental Movement

ByDan Dissell
8 Sep 2017
2
0
2184

Date:

sep 16, 1986
Now
~ 39 years ago
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