4. Calls upon the United Nations Environment Programme to contribute, within its mandate, to the preparations for the twelfth session of the Commission on Sustainable Development, while avoiding duplication and overlap in the work of the two bodies;
4. 呼吁联合国环境规划署在其任务范围内为筹备可持续发展委员会第十二届会议作出贡献，同时避免两个机构工作的重复与重叠；