The 4th International Solvothermal and Hydrothermal Association Conference (ISHA2014) will be held in October 26-29, 2014 in Bordeaux (France) The objective of the meeting is to gather all the members of the Solvothermal & Hydrothermal community and to give the opportunity to academic researchers and industrial practitioners to provide a complete and critical overview on all the Solvothermal & Hydrothermal based technologies, their different fields of application as well as the latest innovations.