Earth Summit which promotes Convention on Biological Diversity was held in 1992 at

Options

A. Kyoto
B. Rio de Janeiro (Brazil)
C. Johannesburg (S. Africa)
D. New Delhi (India).

Explanation

**Step-by-Step Solution:**

1. **Identify the Event:** The question asks about the Earth Summit that promotes the Convention on Biological Diversity.

2. **Recall the Year:** The Earth Summit took place in 1992.

3. **Locate the Venue:** The Earth Summit was held in Rio de Janeiro, Brazil.

4. **Understand the Purpose:** The summit aimed to promote biodiversity, which includes the conservation of various species and plants to prevent extinction and loss of diversity.

5. **Recognize the Participation:** A total of 152 nations participated in this summit, highlighting its global importance.

6. **Note the Impact:** The Convention on Biological Diversity came into action on December 29, 1993, following the summit.

7. **Conclusion:** Based on the information, the correct answer to the question is that the Earth Summit promoting the Convention on Biological Diversity was held in Rio de Janeiro in 1992.

**Final Answer:** The Earth Summit which promotes the Convention on Biological Diversity was held in 1992 at Rio de Janeiro.

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