Question:medium

Chronologically arrange the following initiatives in monitoring the international environment.
A. United Nations Conference on Human Environment in Stockholm
B. Vienna Convention for the Protection of the Ozone Layer
C. Kyoto Protocol to the UNFCCC
D. Brundtland Commission Report

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These international environmental initiatives paved the way for global environmental governance and climate action.
Updated On: Mar 10, 2026
  • A, B, D, C
  • A, B, C, D
  • D, A, B, C
  • C, B, D, A
Show Solution

The Correct Option is B

Solution and Explanation

Step 1: Key Environmental Milestones.
- 1972: The United Nations Conference on Human Environment in Stockholm marked the first major global environmental discussion.
- 1985: The Vienna Convention for the Protection of the Ozone Layer was established.
- 1987: The Brundtland Commission Report popularized the idea of sustainable development.
- 1997: The Kyoto Protocol to the UNFCCC imposed legally binding greenhouse gas reduction targets on developed nations.
Step 2: Ordering the Milestones.
The correct chronological sequence is:(A) A: United Nations Conference on Human Environment in Stockholm (1972)(B) B: Vienna Convention for the Protection of the Ozone Layer (1985)(C) D: Brundtland Commission Report (1987)(D) C: Kyoto Protocol to the UNFCCC (1997) Step 3: Solution.
Therefore, the correct order is (B) A, B, D, C.
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