The seventh meeting of the Ad Hoc Group of Experts on Energy Efficiency Investments for Climate Change Mitigation was opened on 1 December by Mr. George Kowalski , Director of the UNECE Industrial Restructuring , Energy and Enterprise Development Division ( IREED ) . In his opening remarks , Mr. Kowalski acknowledged the institutional setting of the Energy Efficiency 21 Project ( EE21 ) at the United Nations and UNECE level , mentioning also relevant resolutions of the UN General Assembly , the Economic and Social Council , the Economic Commission for Europe and the UNECE Committee on Sustainable Energy .