Kyoto protocol (1997) was endorsed for :-

Options

A. Climate change
B. Sewage treatment
C. Euro-norms
D. Forest conservation

Answer

### Step-by-Step Solution:

1. **Understanding the Kyoto Protocol**: The Kyoto Protocol is an international treaty that was adopted in 1997 and came into force in 2005. It is primarily focused on addressing climate change.

2. **Identifying the Purpose**: The main goal of the Kyoto Protocol is to reduce greenhouse gas emissions globally. It sets binding obligations on industrialized countries to reduce their emissions of greenhouse gases.

3. **Analyzing the Options**:
- **Option 1: Climate Change** - This aligns with the purpose of the Kyoto Protocol.
- **Option 2: Sewage Treatment** - This is not related to the Kyoto Protocol.
- **Option 3: Euro Norms** - This pertains to European regulations and is not relevant to the Kyoto Protocol.
- **Option 4: Forest Conservation** - While related to environmental issues, it is not the primary focus of the Kyoto Protocol.

4. **Conclusion**: Based on the analysis, the Kyoto Protocol (1997) was endorsed for addressing climate change and specifically for cutting emissions of greenhouse gases.

### Final Answer:
The Kyoto Protocol (1997) was endorsed for climate change.

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