Correct option is D
The chronological order is:
1. Stockholm Conference (1972)
2. Montreal Protocol (1987)
3. Kyoto Protocol (1997)
4. Convention on Biodiversity (1992)
5. Paris Agreement (2015).
Information Booster ·
Stockholm Conference: Marked the beginning of international environmental governance.
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Montreal Protocol: Focused on phasing out ozone-depleting substances.
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Kyoto Protocol: Aimed at reducing greenhouse gas emissions globally.
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Convention on Biodiversity: Addressed the conservation of biological diversity.
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Paris Agreement: Targeted climate change mitigation with specific commitments from nations.