The 12th edition of the Green Chemistry and Nanotechnologies in Polymeric Materials (GCNPM 2026) will take place at San Sebastian, Spain, from June 15 to 17, 2026. GCNPM conference brings together scientists, researchers, and industry leaders to discuss the most recent advances in green chemistry and polymer science. The program will cover a wide range of topics that highlight innovative strategies and sustainable solutions to address today’s environmental challenges.