“…Accordingly, in order not to blunder in the error of evaluating partial data or generalising conclusions based on few data, we perform a search on the official project-level database AidData 2.1 [47], which provides the complete list of financial flows from donors to recipients according to the official communications given by governments and international organizations [48]. AidData is a project-level database that, gathering information from the OECD Creditor Reporting System database, donor annual reports and project documents from aid agencies, provides information on environmental-oriented aid flows directed to developing countries that can be broadly defined as green aid [45]. Because the AidData database does not explicitly provide information on all the variables described above, for an effective comparison between the CDM and ODA, a project-level search has been performed, extrapolating data from each Project Information Document (PID).…”