No. 08 of 8 · The 1980s in World History
Montreal Protocol
1987 treaty to protect the ozone layer
- Type
- treaty · environmental protocol · Source · 2026-10-20
- Start date
- Unknown
- Location
- Montreal · Source · 2026-10-20
- Country
- Canada · Source · 2026-10-20
- Source
- https://commons.wikimedia.org/wiki/File:Ozone_Hole_2024_Update.webp
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