International Conference on Catalysis and Chemical Science (ICCS 2020) is planned for September 24-26, 2020 in Rome, Italy. ICCS 2020 holds the theme “Advanced Research and Techniques on Catalysis and Chemical Science” with the broad discussion regarding Inorganic and Organic Chemistry, Organometallics, Photo Catalysis, Green Chemistry, Coordination Chemistry, Bio-inorganic Chemistry, Environmental Catalysis, Supramolecular Chemistry, and Computational chemistry, Environmental Catalysis, and Computational Chemistry.