Official Answer Key & Detailed Solution
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Correct Answer: Option (A) — It is the United Nations Conference on Sustainable Development
Concept & Option Breakdown
Standard Reference VerifiedRio+20 is the common name for the United Nations Conference on Sustainable Development (UNCSD), held in Rio de Janeiro, Brazil, in June 2012, marking the 20th anniversary of the 1992 United Nations Conference on Environment and Development (UNCED).
Rio 1992 = Earth Summit (UNCED); Rio+20 (2012) = UN Conference on Sustainable Development (which initiated the SDG process).
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