Sent_en: 2zh He criticised the outgoing head of the U.N.'s climate secretariat, Yvo de Boer, and the European Union's climate commissioner Connie Hedegaard for their scepticism.
Sent_yy: 他批评即将离任的联合国气候秘书处负责人伊沃·德布尔和欧盟气候专员康妮·赫泽高的怀疑态度。