Environment & Ecology · Environment
What unique distinction does the 1987 Montreal Protocol on Substances that Deplete the Ozone Layer hold in United Nations history?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1It is the first environmental agreement that is non-legally binding for all member nations
- 2It is the first treaty to focus exclusively on the phase-down of hydrofluorocarbons (HFCs)
- 3It is the first agreement to establish global monitoring systems for ozone depletion research
- 4It is recognized as the first treaty in United Nations history to achieve universal ratification by 198 countries✓
Correct answer
It is recognized as the first treaty in United Nations history to achieve universal ratification by 198 countries
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