All papers published in this volume of IOP Conference Series: Earth and Environmental Science have been peer reviewed through processes administered by the Editors. Reviews were conducted by expert referees to the professional and scientific standards expected of a proceedings journal published by IOP Publishing. • Type of peer review: Triple-blind review. The reviewers are anonymous and the authors’ identity is unknown to both reviewers and editors. Articles are anonymized at the submission stage and are handled in such a way to minimize any potential bias towards the author(s). • Conference submission management system: The system was using email correspondence among the conference committee, authors, appointed reviewers, and participants. • Number of submissions received: 23 papers • Number of submissions sent for review: 18 papers • Number of submissions accepted: 18 papers • Acceptance Rate (Number of Submissions Accepted / Number of Submissions Received X 100): 78.26% • Average number of reviews per paper: 2.0 • Total number of reviewers involved: 5 persons • Any additional info on review process: The editors pre-selected manuscripts to send for reviewers based on the scope of the conference. All manuscripts had check similarities index, using Turnitin and accepted manuscripts did not exceed 10% similarity score. The manuscripts then checked by reviewers that have academic status and are scientific experts in their field. The reviewers used the following criteria: relevance to the scope, contribution to science, originality, systematic, and writing accuracy. The reviewers then recommend the papers: accept, accept with minor/major revision, or reject. The committee then sent the papers to authors to revise them accordingly. Revised version was evaluated by the editors and then the editor sent the revised manuscript to the reviewers again for re-evaluation. If required, the review process can be repeated. The decision to accept or reject the final papers was based on the suggestions of reviewers. • Contact person for queries: Name : Prof. Dr. Chairil Anwar Siregar (Chief Editor). Email: siregarca@yahoo.co.id. Affiliation: Center for Standardization of Sustainable Forest Management Instruments - Agency for Standardization of Environment and Forestry Instruments Ministry of Environment and Forestry of the Republic of Indonesia.