13. 秘书长打算修订现有的环境可持续性管理高级别指导小组的职权范围，改变成员构成，形成全秘书处代表性，提供联合国全秘书处总体环境管理系统协调机制。这一协调机制将提供一个框架，借此分享和利用现有的环境管理领域的积极经验和做法，同时改善协调和内部沟通，不断改进资源使用情况。
13. The Secretary-General intends to revise the terms of reference of the existing senior level steering group on environmental sustainability management and to adjust the membership to incorporate Secretariat-wide representation in order to provide an overarching Secretariat-wide environmental management system coordination mechanism. This coordination mechanism will provide a framework for the sharing and leveraging of existing positive experiences and practices in the field of environmental management while improving coordination and internal communications, with the goal of a continuous improvement in resource use.