The objective of the 2009 Conference on Environmental Science and Information Application Technology(ESIAT 2009) will be provide a major interdisciplinary forum for the presentation of new approaches from relevant fields of environmental science, to foster integration of the latest developments in scientific research into engineering applications, and to facilitate technology transfer from well-tested ideas into environmental engineering, environmental sustainability, geoscience, GIS/RS, information technology, computer sciences and so on. We are delighted to invite you to participate in 2009 Conference on Environmental Science and Information Application Technology (ESIAT 2009) in Wuhan, China, July 4-5, 2009. All accepted papers will be submitted for indexing EI Compendex, ISTP and DBLP.