Draft Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2021

Full Report

Per an announcement in the Federal Register (FR) FRL-9448-02-OAR, the Draft Greenhouse Gas Emissions Inventory is now available for public comment. To ensure your comments are considered for the final version of the document, please submit your comments by March 17, 2023. Learn more on how to submit comments.

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• Draft Complete Report (pdf) (14.99 MB, February 15, 2023, 430-D-23-001)
  Full, complete Draft Inventory report
• Draft Upfront (pdf) (366.19 KB, February 15, 2023, 430-D-23-001)
  Includes title page, acknowledgements, and preface.
• Draft Table of Contents (pdf) (549.18 KB, February 15, 2023, 430-D-23-001)
  Includes the main inventory document’s table of contents.
• Draft Executive Summary (pdf) (1.08 MB, February 15, 2023, 430-D-23-001)
  Includes data and discussion on the overall estimates and trends in the inventory.
• Draft Chapter 1: Introduction (pdf) (884.55 KB, February 15, 2023, 430-D-23-001)
  Includes background information on how EPA compiles the Inventory and a summary of results for key category and uncertainty analyses.
• Draft Chapter 2: Trends in Greenhouse Gas Emissions (pdf) (1.54 MB, February 15, 2023, 430-D-23-001)
  Includes a synthesis of data on emissions and sinks trends over time.
• Draft Chapter 3: Energy (pdf) (2.59 MB, February 15, 2023)
  Includes emissions data related to the energy sector.
• Draft Chapter 4: Industrial Processes and Product Use (pdf) (2.14 MB, February 15, 2023, 430-D-23-001)
  Includes emissions data related to the industrial processes product use sector.
• Draft Chapter 5: Agriculture (pdf) (2.18 MB, February 15, 2023, 430-D-23-001)
  Includes emissions data related to the agricultural sector.
• Draft Chapter 6: Land Use, Land-Use Change, and Forestry (pdf) (5.05 MB, February 15, 2023, 430-D-23-001)
  Includes emissions and sinks data related to land use, land use change, and forestry.
• Draft Chapter 7: Waste (pdf) (1.25 MB, February 15, 2023, 430-D-23-001)
  Includes emissions data related to the waste sector.
• Draft Chapter 8: Other (pdf) (152.43 KB, February 15, 2023, 430-D-23-001)
  Includes information on emissions from the "Other" IPCC sector.
• Draft Chapter 9: Recalculations and Improvements (pdf) (618.26 KB, February 15, 2023, 430-D-23-001)
  Includes the recalculations and improvements discussion comparing the previous Inventory submission covering 1990-20120 to the current Inventory covering 1990-2021.
• Draft Chapter 10: References (pdf) (1.29 MB, February 15, 2023, 430-D-23-001)
  Includes a list of references used in the main inventory document.
• Draft All Annexes (pdf) (13.43 MB, February 15, 2023, 430-D-23-001)
  A complete Annex which contains further information, more detailed explanations of methodologies, more detailed data, and additional information on greenhouse gas emissions and sinks, supplementing the main Inventory document.
• Draft Annex Introduction and Table of Contents (pdf) (331.5 KB, February 15, 2023, 430-D-23-001)
  Includes the table of contents for the Annex.
• Draft Annex 1 (pdf) (605.71 KB, February 15, 2023, 430-D-23-001)
  Includes a summary and details on the key category analysis.
• Draft Annex 2 (pdf) (1.66 MB, February 15, 2023, 430-D-23-001)
  Includes further explanation, data, and methodology for emissions related to the energy sector.
• Draft Annex 3- Part A (pdf) (3.05 MB, February 15, 2023, 430-D-23-001)
  Includes further explanation, data, and methodology for source and sink categories other than CO2 from fossil fuel combustion.
• ​​​​​​​Draft Annex 3- Part B (pdf) (3.98 MB, February 15, 2023, 430-D-23-001)
  Includes further explanation, data, and methodology for source and sink categories other than CO2 from fossil fuel combustion.
• ​​​​​​​Draft Annex 4 (pdf) (385.29 KB, February 15, 2023, 430-D-23-001)
  Includes the methodology and more detailed data related to estimating emissions from fossil fuel combustion according to IPCC's Reference Approach.
• Draft Annex 5 (pdf) (417.85 KB, February 15, 2023, 430-D-23-001)
  Includes information on greenhouse gas emission sources and sinks which are not included from the Inventory's analysis.
• Draft Annex 6 (pdf) (549.29 KB, February 15, 2023, 430-D-23-001)
  Includes additional information including global warming potentials (GWPs), abbreviations, and non-greenhouse gas emissions data.
• Draft Annex 7 (pdf) (423.39 KB, February 15, 2023, 430-D-23-001)
  Includes data and information on the uncertainty analyses run on Inventory source and sink categories as well as the overall uncertainty of the Inventory.
• Draft Annex 8 (pdf) (1 MB, February 15, 2023, 430-D-23-001)
  Includes information on QA/QC Procedures used in the estimation of Inventory sources.
• Draft Annex 9 (pdf) (286.87 KB, February 15, 2023, 430-D-23-001)
  Includes information on use of Greenhouse Gas Reporting Program (GHGRP) data in the Inventory.