The Green Chemistry Division (GEQV, https://geqv.rseq.org/) of the Spanish Royal Society of Chemistry (RSEQ) and the European Society of Applied Biocatalysis (ESAB, https://esabweb.org/), organize the dual conference: 2nd International Symposium on Green and Sustainable Chemistry, and 8th International Conference on Biocatalysis in Non-Conventional Media to be held at the Polytechnical University of Cartagena (Spain, https://www.upct.es/) on May 25-29, 2026.