pThe book explores industrial applications of green solvents in industrially important areas such as oil extraction, sensors and biosensors, CO2 capture, lignocellulosic biomass utilization, bio-based chemicals and their application in catalysis, electrochemical devices, purification of pharmaceuticals, organic synthesis and transformations, bio-lubricant additives, aluminum and aluminum-alloy production. The solvents covered include water, ionic liquids, supercritical carbon dioxide and glycerol. Keywords Green Chemistry, Green Solvents, Ionic Liquids, Supercritical Carbon Dioxide, Glycerol, Biosensors, CO2 Capture, Lignocellulosic Biomass Utilization, Bio-based Chemicals, Electrochemical Devices, Chromatographic Purification of Pharmaceuticals, Bio-lubricant Additives, Green Electrolytes for Aluminum Production, Green Electrolytes for Aluminum-Alloy Production, Green Solvents for Oil Extraction.p