Alain Marty (Carbios) gave a talk with the title “PET recycling: an enzyme and process optimization to an industrial plant” at the Jülich Biotech Day 2024. Carbios uses enzymes to recycle PET waste. The resulting monomers can then be used directly for the production of PET products or textiles without quality loss. The technology will be used in an industrial plant in about two years. As a second example, Alain Marty talked about the biodegradation of PLA in compost and the challenges of finding a suitable enzyme for this process that can be integrated directly into the material.