中国则反击说它的历史和人均排放量都远远低于美国水平；就算把国家的总排放水平和美国拉平，旧金山的人均碳预算也比上海高出五倍。
China has countered that its historic and per capita emissions remain well below US levels, and that to cap aggregate national emissions at the same level as the US would imply a personal carbon budget in San Francisco five times greater than in Shanghai.