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v2026.1714 entries · CC-BY 4.0
Dictionary termTrack CStablev2026.2

Training carbon footprint

The total greenhouse-gas emissions, expressed in kilograms or tonnes of CO2-equivalent, attributable to training a machine-learning model, estimated from energy consumption and the carbon intensity of the electricity supply.

ByCASRAI Editorial Board
· Last updated 21 May 2026

Examples

Worked examples

  • Is an instance

    A model card declaring '450 MWh training energy, 80 tCO2e at the training-region grid intensity'.

  • Is an instance

    A research paper appendix using CodeCarbon to log training-run emissions.

Counter-examples

Looks similar, but isn't

  • Not an instance

    A statement of GPU-hours alone.

  • Not an instance

    A vague 'this work used renewable energy' assertion.

Editorial commentary

Reporting follows Strubell et al. (2019) and Schwartz et al.'s 'Green AI' (2020) framings. Reproducible reporting requires disclosure of hardware (GPU/TPU type and count), training duration, PUE-adjusted energy, and grid carbon intensity at the training location. Tools include CodeCarbon, ML CO2 Impact, and provider-published carbon transparency.

References

  • Strubell, Ganesh, McCallum, 'Energy and Policy Considerations for Deep Learning in NLP' (ACL 2019); Schwartz et al., 'Green AI' (Communications of the ACM, 2020).

Also known as

model training CO2 · training emissions

Machine-readable encodings

Use in your systems

JATS XML <role> element
xml
<role vocab="credit"
      vocab-identifier="https://casrai.org/dictionary/"
      vocab-term="Training carbon footprint"
      vocab-term-identifier="https://casrai.org/dictionary/term/training-carbon-footprint" />
Schema.org DefinedTerm (JSON-LD)
json
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  "@type": "DefinedTerm",
  "name": "Training carbon footprint",
  "identifier": "https://casrai.org/dictionary/term/training-carbon-footprint",
  "description": "The total greenhouse-gas emissions, expressed in kilograms or tonnes of CO2-equivalent, attributable to training a machine-learning model, estimated from energy consumption and the carbon intensity of the electricity supply.",
  "inDefinedTermSet": "https://casrai.org/dictionary/domain/ai-and-ml-research-outputs/",
  "url": "https://casrai.org/dictionary/term/training-carbon-footprint",
  "sameAs": [
    "model training CO2",
    "training emissions"
  ],
  "license": "https://creativecommons.org/licenses/by/4.0/"
}

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