This appendix provides an inventory of the existing Intended Nationally Determined Contributions (INDCs) and ratified National Determined Contributions (NDCs) submitted to the United Nations Framework Convention on Climate Change (UNFCCC) that include coastal blue carbon ecosystems, namely mangroves, tidal saltmarshes and seagrasses, as climate mitigation or adaptation solutions. This document serves as the appendix to ‘Coastal blue carbon ecosystems. Opportunities for Nationally Determined Contributions.