2015 5th International Conference on Energy and Environmental Science (ICEES 2015) will be held in Penang, Malaysia during September 3-4, 2015, it is sponsored by International Academy of Computer Technology (IACT). The aim objective of ICEES 2015 is to provide a platform for researchers, engineers, academicians as well as industrial professionals from all over the world to present their research results and development activities in Energy and Environmental Science. This conference provides opportunities for the delegates to exchange new ideas and application experiences face to face, to establish business or research relations and to find global partners for future collaboration.