the role of international public finance as well as other international development cooperation actions is however significant and expected to remain so for and the annual average climate finance is estimated to be usd billion of which over usd billion is estimated to be public finance either bilateral and multilateral oecd bilateral climaterelated oda commitments as reported by donors to the oecd dac have been on an increasing trend since and reached usd billion on average per year in multilateral public climate finance reached usd billion on average per year oecd