Mastercard rolls out new carbon calculator tool for financial institutions in Kenya and the region Shares Mastercard has released its Mastercard Carbon Calculator for Kenya and the wider region. This is amidst the growing trend toward eco-conscious spending and consumption among people who want to pursue more sustainable choices and practices. Developed in collaboration with the Swedish fintech Doconomy, the Mastercard Carbon Calculator feature provides access to insights and data about environmental impact. It enables consumers to receive a snapshot of the carbon emissions generated by their purchases across spending categories. With this feature, banks and financial institutions can easily adopt and customize the feature for eco-conscious consumers, by integrating the Carbon Calculator into their mobile apps. The integration can be done through new APIs that are available on Mastercard Developers.