Frequently asked questions about the 11th Conference of the Parties (COP 11). The Parties to the United Nations Framework Convention on Climate Change (UNFCCC) meet every year at a COP. This year, Montreal hosts COP 11 but alongside this meeting will be the historic Meeting of the Parties of the Kyoto Protocol (MOP), which will be the very first meeting of those who have ratified the Kyoto Protocol since it became legally binding this year.