| 摘要 |
<p>A method of an administrator recording a sale and a retiring of a recycling credit certificate for a recycled material may include the steps of a computing device at the administrator: receiving from a seller a request to generate the recycling credit certificate, transferring the certificate from an account registered by the seller to an account registered by the buyer, receiving from the buyer a request to retire the recycling credit certificate, and recording the certificate as retired. The certificate may include unique information identifying environmental attributes that are unbundled from a corresponding amount of a recycled material. The request to retire the certificate may include an amount of standard manufactured material used in an amount of product bearing a retail product claim for the environmental attributes that were unbundled from the corresponding amount of the recycled material tangibly owned by the seller.</p> |
