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Additionality

The extent to which an outcome occurs because of an intervention and would not occur under the counterfactual.

Definition

The extent to which an outcome occurs because of an intervention and would not occur under the counterfactual. Follow the related lesson to see how this term changes a system boundary or decision.

Learn this term in context

Carbon removal, additionality and durability

Removal requires atmospheric origin, additional net transfer into storage, quantified leakage and credible durability with reversal management.

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REFERENCES

References & further reading

  1. Food and Agriculture Organization of the United Nations (2026). Sustainable and circular bioeconomy: glossary and key terms.Open source ↗