ECE is preparing case studies on these issues for the consideration of the Ad Hoc Open-Ended Intergovernmental Group of Experts on Energy and Sustainable Development established in preparation for the ninth session of the Commission.
欧洲经委会正在起草有关这些问题的案例研究，供为筹备可持续发展委员会第九届会议设立的不限成员名额特设政府间小组审议。