Shit: Fecal matter a.k.a. manure is nature's fertilizer. If properly used it can allow for greater yields of sustainable agriculture.
Worms: Everything a worm eats gets turned into soil.
Human Beings:
There are countless reasons why human beings are more valuable than
money but a few reasons that are under-appreciated have to do with
sustainable energy production. One example would be sidewalks that could
use special panels to capture kinetic energy from people walking on
them to power technology.
The Sun:
A global solar power infrastructure could so easily be built with such
an abundant and sustainable yield of energy for human use that human
beings could outmode money in favor of sunlight by the end of the
century.
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