 Each strand shows the relative proportion of finance flowing from one category to another . Categories from left to right are: Use = whether the finance is solely for adaptation or for adaptation and other objectives, including mitigation; Public/Private = whether the finance comes from public or private sources; Instrument, the financing instrument; Sector = the broad sectoral allocation; Region = the geographical distribution of funding . Data for year 2018 from different sources, through different instruments into different sectors and regions as collated by CPI . 
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report