Abstract: The present invention is an improved method of tracking and redeeming carbon emission credits generated by a plurality of consumers which is economical and practical. The method includes the steps of providing a carbon credits database of carbon emission credits for a plurality of goods and services, said carbon credits database including a list of said goods and services and a list of the carbon emission credits associated with each of the goods and services listed. The method further includes the step of providing a customer loyalty card system to said plurality of consumers, said customer loyalty card system which includes a customer database including a plurality of customer records, each customer record including details of each customer and details of that customer's purchase of goods and services. The method further includes the step of calculating a customer carbon credits total for each customer by summing the carbon emission credits for all of the goods and services purchased by said customer.