The purpose of the Third National Conference on Environmental Science and Technology, which was held in Greensboro, North Carolina on September 12-14, 2007 was to address pollution prevention, solutions, and research needs and foster relationships that could result in partnerships needed to protect and sustain the - vironment and improve the quality of life. The following topics are included in this book: Pollution Prevention, Fate and Transport of Contaminants, Bioremediation, Bio-processing, Innovative Environmental Technologies, Global Climate Change, and Environmental Justice and Ethics. Several discussions about Global Climate Change, Pollution Prevention, En- ronmental Justice and Ethics among Godfrey A. Uzochukwu (Waste Management Institute, North Carolina A & T State University), Sherry Southern and Jeffrey Al- son (DOE-Savannah River Site), Thomas Parker (CDM), Glennis Nelson (CDM), Jason Callaway (Allied Waste), Steve Roland (O'Brien & Gere), Marv Richa- son (O'Brien & Gere) and Rick Crume (US Environmental Protection Agency) set the stage for the Third National Conference on Environmental Science and Technology. The following persons served on the Executive Conference Comm- tee: G. B. Reddy (Professor of Environmental Microbiology), Shoou-Yuh Chang (Professor of Environmental Engineering), Vinayak Kabadi (Professor of Che- cal Engineering), Keith Schimmel (Associate Professor of Chemical Engineering), Emmanuel Nzewi (Professor and Director of Civil and Environmental Engine- ing), Stephanie Luster-Teasley (Assistant Professor of Environmental Engineering) and Godfrey A. Uzochukwu (Professor and Director, Waste Management Ins- tute). These individuals approved the conference theme - Environmental Science and Technology.