2014 4th International Conference on Environment Science and Biotechnology (ICESB 2014), Phuket, Thailand 27-28 December, 2014. ICESB 2014 is sponsored by the Asia-Pacific Chemical, Biological & Environmental Engineering Society (APCBEES). It is one of the leading international conferences for presenting novel and fundamental advances in the fields of Environment Science and Biotechnology. It also serves to foster communication among researchers and practitioners working in a wide variety of scientific areas with a common interest in improving Environment Science and Biotechnology related techniques.