(a) Encourages the United Nations system to enhance efforts to strengthen inter-agency collaboration to achieve more effective implementation of chapter 13 of Agenda 21 and paragraph 42 of the Johannesburg Plan of Implementation;
(a) 鼓励联合国系统加紧努力，强化机构间协作，以便《21世纪议程》第13章和《约翰内斯堡执行计划》第42段得到更有效的执行；