KEYBASE: current practice in which a user buys a new pair of jeans and, after a certain use period of traditional ownership, disposes them to a waste-to-energy facility. REDUCE: scenario in which the user extends the time they use a purchased pair of jeans. In this scenario, environmental benefits are assumed to follow from avoidance of primary manufacturing of a product.REUSE: a used pair of jeans is sold in a secondhand shop for a new user. Through slowing the consumption cycle, this type of ownership chaining is assumed to produce environmental benefits by reduction of primary manufacturing of a product.RECYCLE:…