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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">RUDN Journal of Ecology and Life Safety</journal-id><journal-title-group><journal-title xml:lang="en">RUDN Journal of Ecology and Life Safety</journal-title><trans-title-group xml:lang="ru"><trans-title>Вестник Российского университета дружбы народов. Серия: Экология и безопасность жизнедеятельности</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2313-2310</issn><issn publication-format="electronic">2408-8919</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">44828</article-id><article-id pub-id-type="doi">10.22363/2313-2310-2025-33-2-132-144</article-id><article-id pub-id-type="edn">GRJOHP</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Industrial Ecology</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Промышленная экология</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Peculiarities of validation of climate projects, verification of their implementation results and changes in requirements for greenhouse gas validation and verification bodies</article-title><trans-title-group xml:lang="ru"><trans-title>Особенности валидации климатических проектов, верификации результатов их реализации и изменения требований к органам по валидации и верификации парниковых газов</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3978-0871</contrib-id><contrib-id contrib-id-type="scopus">57190004814</contrib-id><contrib-id contrib-id-type="spin">9083-6539</contrib-id><name-alternatives><name xml:lang="en"><surname>Savenkova</surname><given-names>Elena V.</given-names></name><name xml:lang="ru"><surname>Савенкова</surname><given-names>Елена Викторовна</given-names></name></name-alternatives><bio xml:lang="en"><p>Doctor of Economic Sciences, Professor, Director of the Institute of Environmental Engineering, Head of the body for greenhouse gas validation and verification</p></bio><bio xml:lang="ru"><p>доктор экономических наук, профессор, директор института экологии, руководитель органа по валидации и верификации парниковых газов</p></bio><email>savenkova_ev@pfur.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kushch</surname><given-names>Ivan A.</given-names></name><name xml:lang="ru"><surname>Кущ</surname><given-names>Иван Александрович</given-names></name></name-alternatives><bio xml:lang="en">Director</bio><bio xml:lang="ru">директор</bio><email>savenkova_ev@pfur.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Sukhetsky</surname><given-names>Denis V.</given-names></name><name xml:lang="ru"><surname>Сухецкий</surname><given-names>Денис Викторович</given-names></name></name-alternatives><bio xml:lang="en">Associate Professor of the Department of Strategic Development and International Integration of the National Accreditation System</bio><bio xml:lang="ru">доцент кафедры стратегического развития и международной интеграции национальной системы аккредитации</bio><email>SukhetskyDV@fsa.gov.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tsibareva</surname><given-names>Daria O.</given-names></name><name xml:lang="ru"><surname>Цибарева</surname><given-names>Дарья Олеговна</given-names></name></name-alternatives><bio xml:lang="en">student, 05.03.06 Ecology and Nature Management</bio><bio xml:lang="ru">студент, специальность 05.03.06 «Экология и природопользование»</bio><email>tsibareva_do@pfur.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">RUDN University</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Department of International Cooperation in the Sphere of Natural Resources and Environmental Protection of the Ministry of Natural Resources and Environment of the Russian Federation</institution></aff><aff><institution xml:lang="ru">Департамент международного сотрудничества в сфере природных ресурсов и охраны окружающей среды Минприроды России</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-06-02" publication-format="electronic"><day>02</day><month>06</month><year>2025</year></pub-date><volume>33</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>132</fpage><lpage>144</lpage><history><date date-type="received" iso-8601-date="2025-07-03"><day>03</day><month>07</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Savenkova E.V., Kushch I.A., Sukhetsky D.V., Tsibareva D.O.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Савенкова Е.В., Кущ И.А., Сухецкий Д.В., Цибарева Д.О.</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Savenkova E.V., Kushch I.A., Sukhetsky D.V., Tsibareva D.O.</copyright-holder><copyright-holder xml:lang="ru">Савенкова Е.В., Кущ И.А., Сухецкий Д.В., Цибарева Д.О.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/ecology/article/view/44828">https://journals.rudn.ru/ecology/article/view/44828</self-uri><abstract xml:lang="en"><p>The voluntary market for the circulation of carbon units has been operating in Russia since 2022, thanks to which leading Russian companies register their climate projects in the registry of carbon units, issue and conduct transactions with carbon units. Given the importance of the financial implications of such operations, the confirmation of the reliability of data on actual greenhouse gas emissions and/or their absorption is of particular importance, so the issuance of carbon units is preceded by the validation of climate projects and verification of their results. Confidence in the conclusions on validation and verification is ensured by compliance of greenhouse gas validation and verification bodies with accreditation criteria which are harmonised with international standards and documents of international accreditation organisations. Thus, to recognise the results of validation and verification as in Russia also abroad, greenhouse gas validation and verification bodies need to ensure constant monitoring of changes in accreditation criteria and timely implementation of changes in their management system. This research considers the specifics of validation of climate projects and verification of their results, as well as an analysis of changes in the requirements for the activities of greenhouse gas validation and verification bodies in 2025.</p></abstract><trans-abstract xml:lang="ru"><p>Добровольный рынок обращения углеродных единиц функционирует в России с 2022 г., благодаря чему ведущие российские компании успешно регистрируют в реестре углеродных единиц свои климатические проекты, выпускают и совершают сделки с углеродными единицами. С учетом важности финансовых последствий таких операций особую роль приобретает подтверждение достоверности данных о фактических выбросах парниковых газов и/или их поглощении, поэтому выпуску углеродных единиц предшествует валидация климатических проектов и верификация их результатов. Доверие к заключениям по валидации и верификации обеспечивается за счет соблюдения органами по валидации и верификации парниковых газов критериев аккредитации, гармонизированных с международными стандартами и документами международных организаций по аккредитации. Таким образом, для признания результатов валидации и верификации как в России, так и за рубежом органам по валидации и верификации парниковых газов необходимо обеспечивать постоянный мониторинг изменений критериев аккредитации и своевременное внесение изменений в свою систему менеджмента. В исследовании рассмотрены особенности валидации климатических проектов и верификации их результатов, а также проведен анализ изменений требований к деятельности органов по валидации и верификации парниковых газов в 2025 г.</p></trans-abstract><kwd-group xml:lang="en"><kwd>voluntary carbon market</kwd><kwd>climate project</kwd><kwd>carbon unit</kwd><kwd>validation</kwd><kwd>verification</kwd><kwd>greenhouse gas validation and verification bodies</kwd><kwd>accreditation criteria</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>добровольный рынок углеродных единиц</kwd><kwd>климатический проект</kwd><kwd>углеродная единица</kwd><kwd>валидация</kwd><kwd>верификация</kwd><kwd>критерии аккредитации</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Hoogerbrugge C, van de Kaa G, Chappin E. 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