MasterCard Transactions To Be Mined For CO2 Data

seamus1abshere writes "In the latest twist from Big Data, MasterCard and Brighter Planet today announced that cardholder transaction data will be mined for clues about CO2 emissions. Initial coverage will be of flights, car rentals, hotels and other purchases for which the credit card company stores extra metadata. Interestingly, the science behind the offering is all open source."