Consumption

The assumption that civilization(s) continue on planet earth for millions of generations means that after millions of generations it is still possible to live. Essential resources are still available, they have not been consumed by any previous generation.

Sustainable consumption means no consumption. No consumption in the sense that something is consumed i.e., no longer exists afterwards in a form that is retrievable with adequate means.

Nature's cycles for e.g., carbon, oxygen, hydrogen and water, show how use that allows re-use for billions of years is possible. These cycles seem robust and contain very relevant elements. Hydrocarbons form the basis for life and make up a lot of our products and can continue to do so as long as these cycles keep operating. The various forms of carbon (graphite, nanotubes, fullerenes, diamonds) as well as hydrocarbons can assume very diverse properties. And there may be many other possible cycles that can continue.

Use can continue as long as cycles for the respective materials operate at adequate speed. Life can be good. If civilizations manage to stay within these cycles.

There is no future for consumers.

Future exists for users only.