Article 6 of the Paris Agreement is crucial as it outlines international cooperation through both carbon markets and non-market approaches to help countries meet climate goals.

✅ Statement I is correct:

• Article 6 is widely discussed because it enables cooperation through market and non-market means to fight climate change.

✅ Statement II is correct:

• It defines rules for carbon markets, including carbon trading and credit mechanisms.

✅ Statement III is correct:

• It also promotes non-market tools like technology transfer and capacity building to reach climate targets.

So, the correct answer is: A