15. 该行动计划将需要对减少联合国环境足迹采取统一、但权力下放的办法，旨在使每个秘书处的地点确定自身活动最相关的环境影响，提出为消除这些影响而计划采取的行动，并定期核实其有效性。
15. The action plan would entail a harmonized but decentralized approach to the reduction of the United Nations environmental footprint, intended to allow each geographic location of the Secretariat to determine the most relevant environmental impacts of their activities, propose planned actions to address these impacts and periodically verify their effectiveness.