Data sources and attribution
Every number in this product comes from an open or openly-licensed public dataset. Three of the licences below require attribution, and this page is where that obligation is met. It is generated from the build record, so it cannot fall out of date.
Factor library 2026.08.4
Sources in the shipped library
Agribalyse 3.2 (ADEME/INRAE) — Synthèse, open aggregated impacts
publisher · Licence: Licence Ouverte / Etalab 2.0 · retrieved 2026-08-14
Owner-downloaded from data.gouv.fr (egress-blocked in build container), 2026-08-14. Open Synthèse file only — never LCI exports.
DESNZ GHG Conversion Factors 2026 (full set workbook, v1)
publisher · Licence: OGL-UK-3.0 · retrieved 2026-08-14
Owner-downloaded full-set workbook (egress-blocked in build container), 2026-08-14. Workbook self-identifies: Year 2026, Version 1, next publication June 2027.
Ember Yearly Electricity Data (via Our World in Data)
publisher · Licence: CC-BY-4.0 · retrieved 2026-08-14
Publisher host egress-blocked in build container; fetched OWID-published variable export (Electricity Mix, lifecycle carbon intensity). Re-verify against the live Ember CSV from an unrestricted network.
EPA Supply Chain GHG Emission Factors v1.3 (USEEIO)
publisher · Licence: US Government data — public domain (US) · retrieved 2026-08-14
Owner-downloaded (egress-blocked in build container), 2026-08-14. DOI 10.23719/1531143.
IPCC AR6 WG1 Ch.7 GHG metrics (authors’ MIT-licensed CSV)
publisher · Licence: MIT (data repository); values cited to IPCC AR6 WG1 · retrieved 2026-08-14
Ingested from the chapter authors’ repository (MIT licence) per owner decision Q17; CSV corrects Table 7.SM.7 for CFC-11/CFC-12.
Poore & Nemecek 2018 via Our World in Data
publisher · Licence: CC-BY-4.0 (OWID reproduction; underlying: P&N 2018 supplementary material) · retrieved 2026-08-14
ourworldindata.org egress-blocked in build container; fetched OWID-published variable export. Dual attribution required: "Joseph Poore and Thomas Nemecek (2018). Additional calculations by Our World in Data."
Received, not yet used
Downloaded and hashed, but not yet transformed, so no number in the product comes from these.
- US EPA GHG Emission Factors Hub, 2025 edition (last official) — US Government work — public domain (US)
No endorsement
None of these publishers has reviewed, validated or endorsed EsoKlimat or any claim made with it. Using their data is not their approval of what we do with it.