21. Decides to include in the provisional agenda of its fifty-seventh session the sub-item entitled "Implementation of the United Nations Convention to Combat Desertification in those Countries Experiencing Serious Drought and/or Desertification, particularly in Africa".
21. 决定将题为"《联合国关于在发生严重干旱和/或荒漠化的国家特别是在非洲防治荒漠化的公约》的执行情况"的分项目列入大会第五十七届会议临时议程。