Yomiuru Shimbun: China should fulfill its responsibility in fighting global warming as the world's largest carbon-dioxide emitter. The country has submitted to the United Nations its target for cuts in greenhouse gas emissions. Its main goal is to reduce CO2 emissions by 60 per cent to 65 per cent per unit of gross domestic product by the end of 2030, compared with 2005 levels. Chinese Premier Li Keqiang emphasised his country's determination in this respect, saying, "[China] will do its utmost to combat climate...