A carbon mineshaft is a particularly deep carbon footprint, made by an individual, company or other entity that is spewing greenhouse gases into the atmosphere at a truly extravagant rate.
The luxury beach resort demanded that exotic fruits and other foods be flown in, in whatever quantities could be managed, from right around the world, had a giant jacuzzi that gobbled oil at a rate of knots, regularly rented two or three luxury yachts with gas-guzzling engines, and also ran a luxury helicopter link to the mainland that was dependent on a wide range of other special deliveries. It was working up quite a carbon mineshaft.
a procedure or formula for creating a problem
What did I tell you? You just algorerithm'd it!