Automated transactional carbon offsetting

A method for linking and utilizing monetary and carbon credit accounts in consideration of a transaction, comprising:

• producing computer executable program code;
• storing the code on a computer readable medium;
• and
• providing the program code to be deployed and executed on a computer system, the program code comprising instructions which, when executed on the computer system, cause the computer system to:
• link a buyer's monetary account and a buyer's carbon credit account and to provide a transaction interface to a buyer;
• execute a purchase of an item in response to an input from a buyer, the item having a composite price having a monetary portion and a carbon credit portion, by, without requiring a further action by a buyer or a seller, automatically:
• charging a monetary payment from the buyer's monetary account and charging a carbon credit payment from the buyer's carbon credit account, wherein a total of the monetary payment and the carbon credit payment is less than the composite price;
• and
• debiting a difference between the total payment and the composite price by one of:
• debiting the buyer's carbon credit account balance for a monetary value of the difference as a function of a monetary-carbon exchange rate;
• and
• debiting the buyer's monetary account for a carbon credit of the difference as a function of the monetary-carbon exchange rate;
• wherein a total of the buyer's monetary payment, the buyer's carbon credit payment, and the difference define a total consideration for the executed purchase equal to the composite price.

A programmable device comprising:

• a processing means;
• a memory in communication with the processing means comprising a logic component;
• and
• a network interface in communication with the processing means and the memory;
• wherein the processing means is configured to:
• link a buyer's monetary account and a buyer's carbon credit account and to provide a transaction interface to a buyer;
• execute a purchase of an item in response to an input from a buyer, the item having a composite price having a monetary portion and a carbon credit portion, by, without requiring a further action by a buyer or a seller, automatically:
• charging a monetary payment from the buyer's monetary account and charging a carbon credit payment from the buyer's carbon credit account, wherein a total of the monetary payment and the carbon credit payment is less than the composite price;
• and
• debiting a difference between the total payment and the composite price by one of:
• debiting the buyer's carbon credit account balance for a monetary value of the difference as a function of a monetary-carbon exchange rate;
• and
• debiting the buyer's monetary account for a carbon credit of the difference as a function of the monetary-carbon exchange rate;
• wherein a total of the buyer's monetary payment, the buyer's carbon credit payment, and the difference define a total consideration for the executed purchase equal to the composite price.