Climate Ledger Initiative (CLI) The Climate Ledger Initiative (CLI) addresses one of the world’s most pressing problems, climate change, with one of the potentially most promising technological innovations – blockchain. Through its platform function CLI brings together a variety of stakeholders from private and public sector to test pilot applications of the still new distributed ledger technology for effective climate action and development achievements. With its contribution to CLI SDC fosters innovation, development gains through applied technology development in developing countries and contributes to the global norm setting in this rapidly evolving field.