Climate Impact Data based on the Open Payment Standard

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Available Country-Specific Carbon Footprint Data based on the Open Payment Standard

Carbon emissions are very dependent on the country/area in which people live. Therefore, the Open Payment Standard approaches carbon footprint calculations from a country level of analysis, allowing the aggregate outcome variable (carbon emission) to vary in a methodologically sound way for valid comparison and inference. Moreover, providing individualized carbon footprint data requires a classification of the bank data into consumption categories. For each consumption category, a carbon footprint value can be calculated, which is specified in the following unit: gram of CO2 per currency.

Furthermore, additional data is needed in order to calculate individual carbon footprints based on bank transactions. Specifically, matching a financial transaction to a category and thereby to a carbon emission is done in three ways:

  1. With Merchant Category Codes (MCCs) provided by the financial institution for credit card payments
  2. With service providers, such as FinTechSystems, to categorize SEPA/Direct Debit Payments
  3. By merchant name via the standard algorithm for debit payments / SEPA transactions if not categorized.

Below you can view the carbon footprint data employed for the calculation of country specific individual carbon footprints linked to MCCs. The OSR confidence score is an indicator for the accuracy of the data. While the lowest score 1 reveals that no or biased data sources were used, the highest score 10 implies that clear and verified data sources were employed.

Click here to see an overview of the spending categories based on the Open Payment Standard. You can click on each of the categories to view the definition of the categories as well as the carbon footprint data for France, Germany, Italy, Poland, the United Kingdom and the United States. Additional country-level data will be added soon.

Click here to view the definition of MCCs and a list with an overview of MCCs including the related carbon footprint data for each MCC, and the related FTS category.

Click here to see an overview of all the sources from which data was employed to calculate the carbon footprint values as well as other sources of information or data published on this website.



Click here to see an overview of merchants linked to the different OfnK categories, the related carbon footprint data, and the confidence score.


Click here to read about the Harmonized System Code (short: HS Code) and see an overview of HS Codes, the related carbon footprint data, and the confidence score.