The wearable will morph into mandatory health and then into energy monitors when the world economy is plunged into food scarcity. Carbon dioxide can't be proved to be a real problem so carbon credits went up in smoke. Hunger is demonstrably real and so to will be calorie credits.

Think about it. How much can you buy when your credit card is declined?

Church people might know this as an outrageous price for grain at the city gates.

Ain't no place to hide from rocket man's satellites. Your energy profile will be monitored. If you eat an unauthorized bug or plant it will show.

They feed processed livestock remains back to livestock. What makes you think that soylent green is out of the question? It's the green thing to do.

Things are so far south that they have made full circle and are going down again.