consumption and innovation in catalysis for more sustainable solutions, encompassing the following topics: Breakthroughs in Catalytic CO 2 Hydrogenation for Carbon Neutrality [1-6], Catalytic methane conversion: Pioneering Sustainable Energy Solutions [7-10], and Innovative Approaches in Chemical Production and Waste Valorization for Circular Economy [11-16].Finally, the guest editors would like to express their gratitude to the editors-in-chief, Prof. Hans-Joachim Freund for accepting our proposal to publish this special issue. We would also like to thank the publishing editor of Topics in Catalysis, Dr. Cansu Kaya for her continuous assistance. Additionally, we extend our appreciation to all the authors and reviewers who have contributed their works and played a vital role in enhancing the quality of this volume.