Which of the following pairs of countries have taken up the initiative to introduce ecological sanitation in several areas ?

Options

A. USA and Canada
B. India and Sri Lanka
C. Spain and Germany
D. Sri Lanka and Myanmar

Answer

To solve the question regarding which pair of countries has taken the initiative to introduce ecological sanitation, we can follow these steps:

### Step-by-Step Solution:

1. **Understand Ecological Sanitation**:
- Ecological sanitation, often referred to as eco-san, focuses on the recycling of water and nutrients from human waste. It aims to improve sanitation while also promoting environmental sustainability.

2. **Analyze the Options**:
- The options provided are:
- USA and Canada
- India and Sri Lanka
- Spain and Germany
- Sri Lanka and Myanmar

3. **Research the Initiatives**:
- We need to identify which of these pairs has actively implemented ecological sanitation initiatives.

4. **Identify the Correct Pair**:
- Upon reviewing the initiatives taken by the countries listed, it is known that India and Sri Lanka have collaborated on ecological sanitation projects. They have both recognized the importance of recycling waste for environmental benefits.

5. **Conclusion**:
- Therefore, the correct answer to the question is **India and Sri Lanka**.

### Final Answer:
- The pair of countries that have taken up the initiative to introduce ecological sanitation in several areas is **India and Sri Lanka**.