Abstract The sections in this article are Enzymes in Non‐aqueous Environments Supercritical Fluids for Enzyme Catalysis Enzymatic Reactions in Supercritical Fluids Reaction Parameters in Supercritical Biocatalysis Stabilized Enzymes for Supercritical Biocatalysis Enzymatic Catalysis in IL – sc CO 2 Biphasic Systems Future Trends Acknowledgments