联合国秘书长欢迎中欧领导人关于应对气候变化的联合声明

Group 1 - The core viewpoint of the article is that UN Secretary-General António Guterres welcomed the joint statement issued by Chinese and EU leaders regarding climate change [1] Group 2 - The joint statement emphasizes the commitment of China and the EU to address climate change collaboratively [1] - The announcement reflects a significant diplomatic effort to enhance international cooperation on environmental issues [1] - Guterres' response indicates the importance of global leadership in tackling climate challenges [1]