v2026.1CASRAI Dictionary 1,610 entries across 24 domains · CC-BY 4.01,610 entries · CC-BY 4.0

Dictionary termTrack EStablev2026.2

Green software engineering

The discipline of designing, building, and operating software with explicit attention to its energy and carbon impact, as defined by the Green Software Foundation.

ByCASRAI Editorial Board

· Last updated 21 May 2026

Ask about Green software engineering

Answers are drawn from this dictionary entry and the rest of the CASRAI corpus, with a link to every source.

Answers are AI-generated from CASRAI’s own published pages and can be wrong, so check the linked sources before relying on one; your question is logged without personal data — never sold, never used to train a third-party model — to show us what CASRAI is missing, so please do not type personal or confidential details. How we use this

Examples

Worked examples

Is an instance
A research software engineer profiles an n-body simulation and reduces wall-clock time by 40 percent, lowering carbon proportionally.
Is an instance
A team chooses 16-bit precision for inference, halving GPU energy with no measurable loss of accuracy.

Counter-examples

Looks similar, but isn't

Not an instance
Brute-force grid searches without any optimisation are not green software.
Not an instance
Storing every intermediate artefact indefinitely contradicts the discipline.

Editorial commentary

Green software engineering applies eight principles including carbon awareness, energy efficiency, hardware efficiency, measurement, and climate commitments. In research it manifests as optimising hot inner loops, avoiding unnecessary precision, caching reusable artefacts, deleting unused training checkpoints, and selecting algorithms with lower computational complexity. The Software Carbon Intensity (SCI) specification published by the Green Software Foundation is the emerging measurement standard. Research software engineers (RSEs) are increasingly trained in these principles.

References

Green Software Foundation principles; Software Carbon Intensity (SCI) specification.

Also known as

Green software · Sustainable software engineering · Carbon-efficient software

Machine-readable encodings

Use in your systems

JATS XML <role> element

xml

<role vocab="credit"
      vocab-identifier="https://casrai.org/dictionary/"
      vocab-term="Green software engineering"
      vocab-term-identifier="https://casrai.org/dictionary/term/green-software-engineering" />

Schema.org DefinedTerm (JSON-LD)

json

{
  "@context": "https://schema.org",
  "@type": "DefinedTerm",
  "@id": "https://casrai.org/dictionary/term/green-software-engineering",
  "name": "Green software engineering",
  "identifier": "https://casrai.org/dictionary/term/green-software-engineering",
  "description": "The discipline of designing, building, and operating software with explicit attention to its energy and carbon impact, as defined by the Green Software Foundation.",
  "inDefinedTermSet": "https://casrai.org/dictionary/domain/sustainable-research#set",
  "url": "https://casrai.org/dictionary/term/green-software-engineering",
  "sameAs": [
    "Green software",
    "Sustainable software engineering",
    "Carbon-efficient software"
  ],
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "publisher": {
    "@id": "https://casrai.org/#organization"
  },
  "dateModified": "2026-05-21T02:23:02",
  "inLanguage": "en"
}

Referenced across the research world

View CASRAI adoption →