GABRIELE CENTI is Full Professor of Industrial Chemistry at the University of Messina and President of the European Research Institute of Catalysis. He is a former President of the European Federation of Catalysis Societies and current Vice President of the International Association of Catalysis Societies. Dr. Centi is Chair of the Editorial Board of ChemSusChem and Chief Editor of the book series Studies in Catalysis and Surface Science and Green Energy. SIGLINDA PERATHONER is Associate Professor of Industrial Chemistry at the University of Messina. Her research examines nanostructured zeolites, catalytic membranes, catalysts for waste water purification and remediation, photo(electro)catalytic conversion of CO2, and fuel cells. Dr. Perathoner is the author of more than 160 publications.