Step 1: Evaluating Pair I (Alma-Ata Declaration)
The Alma-Ata Declaration focused on health care access for all people, specifically primary health care.
This pair is correct.
Step 2: Evaluating Pair II (Hague Convention)
The Hague Convention deals with rules of war and child protection during war, not biological and chemical weapons.
This pair is incorrect.
Step 3: Evaluating Pair III (Talanoa Dialogue)
The Talanoa Dialogue focuses on climate change and global cooperation to reduce emissions.
This pair is correct.
Step 4: Evaluating Pair IV (Under2 Coalition)
The Under2 Coalition focuses on reducing carbon emissions but does not specifically address the rights of the child.
This pair is incorrect.
Step 5: Conclusion
The correct pairs are I and III. Therefore, the correct answer is (3).
Answer: (3) Only I and III