However, until now there has been no formal approach available for financial institutions to understand, measure, and set targets for how much “green” finance is required for mitigation, or how “brown” finance might need to be limited. Thus, there are both urgent ‘top-down’ (global progress tracking for the Paris Agreement) and ‘bottom-up’ (FI target setting) needs for a science-based approach to tracking financial flows in line with global policy goals—”financing roadmaps”. This report explores how such a system can be created.