The main topics of the conference include: thermal catalytic conversion of CO2; Photochemical, electrochemical, and plasma induced CO2 conversion; Homogeneous CO2 conversion; The biotechnology route of CO2; CO2 capture and storage; CO2 mineralization and non chemical utilization; Related policies, strategies, carbon budgets, environment, society, and other aspects. The conference is now soliciting cooperation units related to research in this field, including but not limited to analytical and testing instruments and meters (chromatography, mass spectrometry, infrared spectroscopy, ultraviolet, Raman, physical adsorption instrument, chemical adsorption instrument, flue gas analyzer, etc.), analysis and testing platforms, glove boxes, catalysts and various reagent sample suppliers, electron microscopy technology, chemical engineering, electrochemical workstations and electrodes, photo thermal catalytic reaction devices, academic journals, etc.