From December 2nd to 14th,2018,the 24th Session of the UN Climate Change Conference was held in Katowice,known as"the capital of coal",Poland.The conference included the 24th Meeting of the Parties to the UN Framework Convention on Climate Change (COP24),the 14th Meeting of the Parties to the Kyoto Protocol (CMP14) and PartⅢof the First Meeting of the Conference of the Parties to Paris Agreement (CMA1-3),etc.Representatives from more than 190 countries commenced negotiations on the implementing regulations of Paris Agreement.