The famous Kigali Amendment is related to:

Answer: [A] Phase out the use of hydro fluorocarbons (HFCs)

The Kigali agreement took place in October 2016. It amends the Montreal Protocol and substantially limit the emission of hydro fluorocarbons (HFCs) that contribute to global warming represents major progress. As with other such global compacts on environmental matters, India pressed for a more lenient deadline at the Rwanda negotiations.

This question is a part of GKToday's Integrated IAS General Studies Module