First 'Earth Summit' for Convention on Biological Diversity' (CBD) was held at
(a) Johanneberg (2002), South Africa
(b) Rio de Janeiro (1992), Brazil
(c) Dehradun (1992), India
(d) New York (2000), U.S.A.

Options

A. Johanneberg (2002), South Africa
B. Rio de Janeiro (1992), Brazil
C. Dehradun (1992), India
D. New York (2000), U.S.A.

Explanation

To solve the question regarding the location of the first 'Earth Summit' for the Convention on Biological Diversity (CBD), we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question asks for the location of the first 'Earth Summit' related to the Convention on Biological Diversity (CBD).

2. **Recall Relevant Information**: The CBD was signed during the Earth Summit, which is a significant event in environmental history.

3. **Identify the Year and Location**: The Earth Summit where the CBD was signed took place on June 5, 1992.

4. **Determine the Correct Location**: The Earth Summit was held in Rio de Janeiro, Brazil.

5. **Review the Options**:
- (a) Johanneberg (2002), South Africa
- (b) Rio de Janeiro (1992), Brazil
- (c) Dehradun (1992), India
- (d) New York (2000), U.S.A.

6. **Select the Correct Answer**: Based on the information, the correct answer is (b) Rio de Janeiro (1992), Brazil.

### Final Answer:
(b) Rio de Janeiro (1992), Brazil

---