On behalf of the organizing committee, I would like to cordially invite you to the 7th International Green Energy Conference & The 1st DNL Conference on Clean Energy (IGEC-DCCE), which will be held at the beautiful campus of Dalian Institute of Chemical Physics (DICP) in Dalian, China, May 28-30, 2012. The conference is jointly organized by the International Association for Green Energy (IAGE) and Dalian National Laboratory for Clean Energy (DNL).