1. CO2 capture, storage, transformation and utilization: an introduction 2. Photoelectrochemical reduction of carbon dioxide 3. Nanocatalyst for CO2 hydrogenation 4. Porous polymers based adsorbent materials for CO2 capture 5. From Nanoparticle to Single Atom catalyst for Electrocatalytic Reduction of Carbon dioxide 6. Nanomaterials for photocatalytic reduction of carbon dioxide 7. Nanomaterials for CO2 conversion to valuable compounds 8. Nanomaterials for photocatalytic and cold plasma catalytic hydrogenation of CO2 to CO, CH4 and CH3OH 9. Electrochemical reduction of CO2 using shape-controlled nanoparticles 10. Conversion CO2 towards valuable compounds 11. Nanomaterials for photocatalytic reduction of carbon dioxide 12. CO2 adsorption with Covalent Organic Frameworks (COF) 13. Reduction of carbon dioxide using nanophotocatalysts 14. 2D nanomaterials for CO2 Reduction and transformation