Methods: the vintages our figures cite

Sources

1. c1 SSP² specification, compliance vectors and profile definitions: os-core version record 0e9c6b45998a78bac973f0833a801a06bd3a746025246d65e5aa8c52c5bbc70d (file.zip, sidecar); DOI 10.5281/zenodo.23490841, file SHA-256 98f6b0d5f41e82c71752031cb178ee858a0922d7f4995c9a6af5b6fc4d15a49a.
2. c2 VEERG V1 farm emission factors, from 1 July 2026 (hdp-ef-au-ag-ghg-2026-v2): os-core version record 6f16bc06497cae70937aed320598edd690ac447e6899ca26dca8d74c5e0a9899 (file.json, sidecar). file SHA-256 56a1334c4029f94e8ed11a8cd7edcd26cd7ecbc4ffe2cf7af72d7462c37262ab. Values from DCCEEW 2026, Voluntary Emissions Estimation and Reporting Guidelines for Agriculture, Fisheries and Forestry - Methodological Guidance Appendix A, Department of Climate Change, Energy, the Environment and Water, Canberra, March. CC BY 4.0; DCCEEW 2026, Voluntary Emissions Estimation and Reporting Guidelines for Agriculture, Fisheries and Forestry - Methodological Guidance Chapters 5-7 Fertiliser, Agriculture Residue Management, and Rice, Department of Climate Change, Energy, the Environment and Water, Canberra. CC BY 4.0; and DCCEEW 2026, Australian National Greenhouse Accounts Factors, Department of Climate Change, Energy, the Environment and Water, Canberra, August. CC BY 4.0.
3. c3 AusLCI V48 Scope 3 input factors, from 1 July 2026 (hdp-ef-au-ag-inputs-2026-v2): os-core version record 93a36feb013938b1b0bad75fc4a4ef1c532b22370c19ba56673b0be34a7b70b6 (file.json, sidecar). file SHA-256 1f8626c491539dd0865b0bd337723adf1f51c26518e411e7cc5b85597494a47d. Values from the AusLCI (V48) Carbon Emission Factors (May 2026), © AusLCI, Australian Life Cycle Inventory Database Initiative. AusLCI does not endorse these figures; they are estimates, and any claim made with them is the user's responsibility.
4. c5 AusLCI V48 glyphosate factor, from 1 July 2026 (hdp-ef-au-ag-agrichem-2026-v2): os-core version record 69239202c264b458e38452fdef9495c91202a7fbd0db94cfbceed23db7e3a11d (file.json, sidecar). file SHA-256 d25770da2be48aba4e493c87159bb80f80771d446f5f031c6de2a4412fdeac01. Value from AusLCI Lifecycles GHG Emission Intensities for Material Inputs to AUS Ag Fisheries Forestry V48 (March 2026), © AusLCI, Australian Life Cycle Inventory Database Initiative. AusLCI does not endorse these figures; they are estimates, and any claim made with them is the user's responsibility.
5. c4 GAF release 3.0 farm emission factors, 1 July 2025 to 30 June 2026 (hdp-ef-au-ag-ghg-gaf30-2026-v1): os-core version record 2329eebcc304ed791451e37576110a16610519117a0673c4546d266e6dda4c15 (file.json, sidecar). file SHA-256 3f30debd161e628b4ccea0d59cbe8f7bde7f5d7f2b6e9f21edb5b08096fa4940. This product incorporates the EAP Calculator Engine open-source code developed and maintained by Agricultural Innovation Australia Ltd. Free access to AIA's open-source code is supported by the Australian Government through funding from the Improving Consistency of On-Farm Emissions Estimates Program. Values read from engine 3.0.2 (GAF release 3.0), CC BY 4.0.

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