Guidance

International Climate Finance supplementary guidance: additionality and attribution

This guidance explains how to account for additionality and attribution when reporting International Climate Finance (ICF) results.

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This document is intended as supplementary guidance, to be read alongside the International Climate Finance (ICF) key performance indicator (KPI) methodologies.

Additionality and attribution are important adjustments to ensure we do not overestimate the results that are being achieved through UK ICF. For the Technical Assistance indicators, a contribution approach may be required, as it is often not feasible to quantify attribution for those results.

Updates to this page

Published 26 September 2025

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