Definition of "UNFCCC"

COP stands for conference of the parties under the UNFCCC, and the annual meetings have swung between fractious and soporific, interspersed with moments of high drama and the occasional triumph (the Paris agreement in 2015) and disaster (Copenhagen in 2009).

2019 December 2, Fiona Harvey, “Climate crisis: what is COP and can it save the world?”, in The Guardian‎