1. Basic, synthesis and solvatochromic parameters in switchable solvents 2. Switchable solvents as alterative solvents for green chemistry 3. Switchable water 4. Switchable hydrophilicity solvents 5. Switchable polarity solvents 6. Switchable solvents for lipid extraction 7. Switchable solvents for gas-liquid extraction 8. Switchable solvents for liquid-liquid extraction 9. CO2-responsive switchable solvents 10. Switchable solvents for osmosis 11. Switchable solvents for catalysis 12. Nanomaterial synthesis in switchable solvents 13. Switchable solvents for CO2 capture 14. Switchable solvents for solid-liquid separation 15. Switchable solvents for bio-refinery applications 16. Switchable solvents for organic synthesis 17. Switchable solvents for industrial applications 18. State of the art and perspectives of switchable solvents