Noting with appreciation the initiative of the President of the General Assembly at its sixty-first session, in having convened the informal thematic debate on "Climate change as a global challenge" from 31 July to 2 August 2007,
赞赏地注意到大会第六十一届会议主席采取主动行动，于2007年7月31日至8月2日召集了关于"气候变化对全球的挑战"的非正式专题辩论，