The delegation from the Master’s and Doctoral Programs in Environmental Science, Universitas Gadjah Mada Graduate School, consisting of Prof. Dr. Eko Haryono, M.Si. (Head of the Doctoral Program in Environmental Science), Dr. Sudaryatno, M.Si. (Quality Assurance Coordinator for the Doctoral Program), and Dr. Priyaji Agung Pambudi, S.Pd., M.Si. (Quality Assurance Coordinator for the Master’s Program), participated in the 13th National Working Meeting (Rakernas) of the Association of Environmental Science Study Programs throughout Indonesia (PEPSILI), held on 5–7 September 2025 at Universitas Syiah Kuala, Banda Aceh.