This book was made possible by the exceptional support provided by NATO Sci- entific and Environmental Division, University of Maribor (Slovenia), Govern- ment of the Republic of Slovenia, British and the United States Embassies (Ljubl- jana, the Republic of Slovenia). The authors, as listed in this book, took the time to prepare excellent manu- scripts focusing on various issues related to technological choices for sustainabil- ity. These manuscripts...