Last January 27, 2020, Prof. Ane Urtiaga, Dr. Fernando Pardo and Dr. Gabriel Zarca visited the hydrofluorocarbons waste treatment plant of FCC Ámbito located in Fustiñana, and the Dow Chemical facility in Ribaforada (Navarra), which formulates polyurethane precursors containing hydrofluorocarbons. These meetings were held in the framework of project #KET4F-Gas (http://www.ket4f-gas.eu).