An eye on methane The road to radical transparency International Methane Emissions Observatory i | UNEP | IMEO 2023 Report 2023 Report UNEP IMEO 2023 Report © 2023 United Nations Environment Programme ISBN: 978-92-807-4102-5 Job number: DTI/2593/NA DOI: https://wedocs.unep.org/handle/20.500.11822/44129 This publication may be reproduced in whole or in part and in any form for educational or non-profit services without special permission from the copyright holder, provided acknowledgement of the source is made. The United Nations Environment Programme would appreciate receiving a copy of any publication that uses this publication as a source. No use of this publication may be made for resale or any other commercial purpose whatsoever without prior permission in writing from the United Nations Environment Programme. Applications for such permission, with a statement of the purpose and extent of the reproduction, should be addressed to unep-communication-director@un.org. Disclaimers The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of the Secretariat of the United Nations concerning the legal status of any country, territory or city or area or its authorities, or concerning the delimitation of its frontiers or boundaries. Mention of a commercial company or product in this document does not imply endorsement by the United Nations Environment Programme or the authors. The use of information from this document for publicity or advertising is not permitted. Trademark names and symbols are used in an editorial fashion with no intention on infringement of trademark or copyright laws. Supported by ii | UNEP | IMEO 2023 Report The views expressed in this publication are those of the authors and do not necessarily reflect the views of the United Nations Environment Programme. We regret any errors or omissions that may have been unwittingly made. © Maps, photos and illustrations as specified Production United Nations Environment Programme (2023). An Eye on Methane — The road to radical transparency: International Methane Emissions Observatory. The electronic copy of this report can be downloaded at www.unep.org/methane Suggested citation United Nations Environment Programme (2023). An Eye on Methane — The road to radical transparency: International Methane Emissions Observatory 2023. Nairobi Acknowledgements The report was prepared by (in alphabetical order): Andreea Calcan, Manfredi Caltagirone, Martin Cermak, Meghan Demeter, Ricardo Alonso Esparza Gamez, Giulia Ferrini, Robert Field, James Lawrence France, Stephen Harris, Itziar Irakulis-Loitxate, Małgorzata Kasprzak, Roland Kupers, Chenchen Lin, Matthew McGee, Tania Meixus Fernandes, Monika Oczkowska, Ruth Oyekunle, Cynthia Randles, Colette Schissel, Erin Tullos and Daniel Zavala-Araiza. Valuable coordination was provided by Sophie Loran. Editing: Lisa Mastny Design and layout: David Andrade The authors would like to thank the following partners who supported this report with their important contributions, input, comments and reviews: Andris Piebalgs, Florence School of Regulation Steven Hamburg, Environmental Defense Fund Euan Nisbet, Royal Holloway, University of London Lena Höglund Isaksson, International Institute for Applied Systems Analysis Paul Wennberg, California Institute of Technology Shamil Maksyutov, National Institute for Environmental Studies, Japan Matthew Baldwin, Alessia Clocchiatti, Brendan Devlin, Cristina Lobillo Borrero, Malcolm McDowell, Dinko Raytchev and Joana Simão Costa, European Commission (Directorate-General Energy) Cristen Adams, Diane De Kerckove, Marc D’Ioro and Catherine Steward, Environment and Climate Change Canada Rick Duke, Jonathan Moch, Daniel Rochberg and Clare Wang, U.S. Department of State Hiroshi Hashimoto, Institute for Energy Economics, Japan Sheila Aggarwal-Khan, Geordie Colville, Andrea Hinwood, Martina Otto and Nathan Bogford-Parnell, UN Environment Programe UNEP’s IMEO gratefully acknowledges its donors: the European Commission, the Global Methane Hub, the Bezos Earth Fund, the government of the United States of America and the government of Canada. iii | UNEP | IMEO 2023 Report Table of Contents Acknowledgements............................................................................................................................iii Abbreviations.............................................................