Etienne Paul and Matteo Castiello – TBI – had the opportunity to participate in the 9th International Conference on Engineering for Waste and Biomass Valorization (WasteEng 2022) which was held in Copenhagen from June 27 to 30. Matteo was able to present his work on the “Production of a P(3HB-co-3HV) copolymer with a mixed microbial culture from fermented organic waste”.