Read the following statements given here below and select the right answer
(A) Kyoto protocol, 1997 conference obtained commitments from different countries for reducing overall green house gas emission at level 5% below 1990 by 2008 - 2012 (B) Montreal protocol was signed in 1987
(C) Montreal protocol became effective in 1989
(D) Montreal protocol was signed to control the emission of ozone depleting substances.

Options

A. All are correct
B. All are wrong
C. All are correct exceptA
D. All are correct except C

Answer

To solve the question, we will evaluate each statement provided and determine their accuracy regarding the Kyoto Protocol and the Montreal Protocol.

### Step-by-Step Solution:

1. **Evaluate Statement A:**
- The statement claims that the Kyoto Protocol, established in 1997, committed countries to reduce greenhouse gas emissions to 5% below 1990 levels during the period of 2008 to 2012.
- **Analysis:** This statement is correct. The Kyoto Protocol was indeed an international agreement aimed at combating climate change by reducing greenhouse gas emissions.

2. **Evaluate Statement B:**
- This statement asserts that the Montreal Protocol was signed in 1987.
- **Analysis:** This statement is also correct. The Montreal Protocol was indeed signed in 1987 to address the depletion of the ozone layer.

3. **Evaluate Statement C:**
- The statement indicates that the Montreal Protocol became effective in 1989.
- **Analysis:** This statement is correct. The Montreal Protocol officially came into effect in 1989.

4. **Evaluate Statement D:**
- This statement states that the Montreal Protocol was signed to control the emission of ozone-depleting substances.
- **Analysis:** This statement is correct. The primary objective of the Montreal Protocol was to phase out substances that deplete the ozone layer.

### Conclusion:
All statements (A, B, C, and D) are correct. Therefore, the right answer is that all statements are true.

---