The World Summit on Sustainable development held in__________ 2002 in countries pledged their commitment to achieve by 2010.

Options

A. Rio De Janeiro, 27
B. Johannesburg (in South Africa), 190
C. Rio de Janeiro, 190
D. Johannesburg, 27

Answer

To answer the question regarding the location of the World Summit on Sustainable Development held in 2002, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Event**: The question refers to the World Summit on Sustainable Development, which is a significant international conference focused on sustainable development.

2. **Recall the Year**: The event took place in the year 2002, which is specified in the question.

3. **Consider the Options**: The question provides multiple options for the location of the summit. We need to evaluate each option to find the correct one.

4. **Evaluate the First Option**: The first option is "Rio de Janeiro." This city hosted the Earth Summit in 1992, but it is not the correct location for the 2002 summit.

5. **Evaluate the Second Option**: The second option is "Johannesburg, South Africa." This is indeed the correct location where the World Summit on Sustainable Development was held in 2002.

6. **Evaluate the Third Option**: The third option again mentions "Rio de Janeiro," which we already established is incorrect for this event.

7. **Evaluate the Fourth Option**: The fourth option is "Johnsburg," which is a misspelling of Johannesburg. This option is also incorrect.

8. **Conclusion**: Based on the evaluations, the correct answer is "Johannesburg, South Africa."

### Final Answer:
The World Summit on Sustainable Development was held in **Johannesburg, South Africa** in 2002.

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