Usage Note
Sostenibilità is invariable in the plural (no plural form used — it is an abstract noun). It is the key term in environmental discourse — sostenibilità ambientale (environmental sustainability). The accent on the final à marks the stress and also signals the word is invariable: la sostenibilità stays unchanged.
Examples
"La sostenibilità è una priorità globale."
Natural Translation
Sustainability is a global priority.

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