1. Addressing freshwater shortage with renewable energies / J. Bundschuh & J. Hoinkis -- 2. Overview of renewable energy technologies for freshwater production / M. Goosen, H. Mahmoudi & N. Ghaffour -- 3. Use of passive solar thermal energy for freshwater production / G. Zaragoza, D. Alarcn̤ & J. Blanco -- 4. Solar desalination with humidification-dehumidification process : design and analysis / H. Ben Bacha -- 5. Solar PV powered RO systems / V.J. Subiela ... [et al.] -- 6. Wind energy powered technologies for freshwater production : fundamentals and case studies / E. Tzen -- 7. Geothermal water treatment : preliminary experiences from Poland with a global overview of membrane and hybrid desalination technologies / W. Bujakowski, B. Tomaszewska & M. Bodzek -- 8. Solar disinfection as low-cost technologies for clean water production / J.M. Meichtry & M.I. Litter.