PHOTOCAT24 is an international high education school for PhD students, post-docs and young researchers workign in the field of sustainable chemistry such as photochemistry and biocatalysis, both in academia and industry. In addition, PHOTOCAT24 aims to facilitate interaction between academia and industry by creating a European high education network on sustainable chemistry. In fact, PHOTOCAT24 will be the first of a series of biennial travelling editions in the locations of the members of the scientific committee (the undersigned, Padua, Italy; Shoubik Das - University of Antwerp, Belgium; Rene Königs - RWTH Aachen University, Germany; Bartholomeus Pieber - Wien University, Austria; Marcos Garcia Suero - ICIQ, Spain; Olalla Vazquez - Philipps Universität Marburg, Germany). This school is in line with the EU Sustainable Development Goals and the UN 2030 Agenda.