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: Single-blind• Conference submission management system: via e-mail ns_ran@mail.ru • Number of submissions received: 39• Number of submissions sent for review: 39• Number of submissions accepted: 34• Acceptance Rate (Number of Submissions Accepted/Number of Submissions Received X 100): 87.2• Average number of reviews per paper: 2• Total number of reviewers involved: 37• Any additional info on review process: The review process was organized by the next way:➢ All the participants who presented their reports on Symposium sections (virtually, via Zoom) were invited to submit their papers to be published in “IOP Conference Series: Earth and Environmental Science”.➢ Submission of papers was carried out by the Organizing Committee’s e-mail ns_ran@mail.ru. ➢ The secretary of the Organizing Committee made all the materials formal verification and redirected the needed quality submissions to corresponding editors with respect to six thematic sections (one executive editor for each section).➢ The section executive editor provided at least two reviews for each paper from his section. The reviewers were selected from the list of high quality experts who are world-known specialists in geology, geophysics and geoecology from Russia, Kyrgyzstan, Uzbekistan and Kazakhstan.➢ With respect to review results all the submissions were divided into three groups:1) The manuscript is recommended for publication2) The manuscript is recommended for publication after revision (for these type of submissions the revision process was continued by communication between authors and reviewers via the executive editor in hidden form)3) The manuscript is not recommended for publication➢ The final step of papers preparation was related to accepted submissions verification with respect to the IOP:EES format requirements; checking of scientific style and the English language spelling and punctuation correctness.• Contact person for queries: Name: Olga Zabinyakova Affiliation: Research station of Russian Academy of Sciences in Bishkek city, Bishkek, Kyrgyzstan Email: ns_ran@mail.ru