SECAI Core · phase 6 of 15 · noun

Sustainability

An AI principle that examines how efficiently resources are used and the broader effects of those usages

The Explain card

Plain English
Sustainability is the principle of examining how efficiently an AI system uses resources such as energy, compute, water and money, and the broader effects of that usage.
Example
A team chooses a very large model for a simple classification task. A smaller model would do the job at a fraction of the compute, cost and carbon, and respond faster too.
Why it matters
Resource waste has a security angle: oversized models and runaway inference loops are exactly what denial-of-wallet attacks exploit, and efficient systems are easier to monitor and afford to protect. Right-sizing is good engineering and good defence.
Hook
Sustainability: use the smallest model that does the job well.

Word knowledge

How the word is built, where it came from, and what it sits beside in memory.

In a sentence

Before training a 70-billion-parameter spam classifier, the sustainability review logged GPU-hours and cooling water next to the figures for a smaller model that already met the accuracy bar.

How it is built
  • sus- prefix up from under
  • tain root hold
  • -ability suffix capacity; quality of being
Where it came from
Origin
English noun from sustainable plus -ity; sustain from Old French sostenir, from Latin sustinere, to hold up, from sub, up from under, plus tenere, to hold
Entered the language
c. 1907
What changed
Latin sustinere meant to hold something up from underneath. English sustain, from around 1300, borrowed that hold for food, argument, and duration. Sustainable arrived in the 1610s as bearable, then from 1965 as capable of being continued without exhausting its source. The noun is first a legal word around 1907 for the quality of an argument that would stand. Ecology adopted it from 1972, and AI governance later applied it to the compute, energy, and water a training run consumes.
How it is spelled
Pattern
-able adjectives form nouns in -ability, not -ibility
Pattern
Verbs in -ain keep ai through the noun: sustainability, maintainability, attainability
Pattern
Latin sub- writes sus- before t
Breaks the pattern
sustenance writes e from Old French; sustain and sustainability keep the ai of the English verb

Spelled like

  • maintainability
  • attainability
  • explainability
Broken into chunks
  • sus
    • suspect
    • suspend
    • susceptible
  • tain
    • contain
    • maintain
    • retain
  • ability
    • reliability
    • availability
    • capability
What it sits beside

Same subject

Same shape

Responsible AI principles

Latin tenere family

  • contain
  • maintain
  • retain
  • tenacious

-ability nouns from -ain verbs

Where it sits in the deck

Phase 6: Model Quality, Ethics, and Responsible AI Principles

Before deploying a model, understand the quality and ethical dimensions — bias, fairness, explainability, and the human oversight needed to govern outputs responsibly.

Neighbours in this phase