0|show" data-onresultcheck="*redo|*.na|hide@*correct|*.na|hide@*reset|*.na|hide"> At a G20 summit in the southeastern city of Hangzhou in China, United Nations Secretary-General Ban Ki-Moon today welcomed the meeting’s focus on climate change and sustainable development, urging all countries to take early action on these. "This Summit has seen major steps forward on climate change," Mr. Ban said, praising the leaders of China and the United States for officially joining the Paris climate agreement by submitting their documents to him yesterday. With the world’s two largest producers of greenhouse gases making this historic step, 26 parties to the Paris Agreement and 39 percent of global greenhouse emissions have been accounted for. If 16 percent more of global emissions can be taken care of by another 29 countries, the agreement can hopefully become fully effective. The Paris Agreement, adopted by 195 parties in December 2015 in France, calls on countries to fight climate change and to take quicker and stronger actions for a sustainable low carbon future. 1. What is the news report mainly about?
A、China’s efforts to make the G20 summit a success.
B、Secretary-General’s speech on sustainable development.
C、Progress in bringing a climate agreement into effect.
D、An agreement by the US and China for world peace.