In one projection of the future, toilets no longer use water.
In that projection, sewer systems are filled with less fluid.
Sewer pipes are available for other uses if…
…if we find a substitute for water-based baths/showers, sinks with water spigots, drains for nonwater liquids.
What if we cleaned ourselves and our environment with liquids that collected into containers and the liquids then evaporated?
How would we dispose of the remaining material?
Instead of disposing, how about recycling/repurposing?
Dirt, oil, blood, skin cells, hair, sand, minerals, grass, sawdust, insects…and on and on.
No more sewer systems.
No more jewellery lost.
No more…
What do you pour down drains today that you no longer think about, out of sight, out of mind?
You’ve never waded down a sewer line, have you?
You’ve never smelled the gases flowing downstream with inertia.
You haven’t seen the screens collecting debris at the entrance to a sewer treatment plant.
When the toilet is reinvented, plenty of infrastructure changes take place, disrupting old models where companies and governmental agencies have vested interests in maintaining the status quo.
That’s a whole other paradigm shift of inertia to take into consideration.
Same as trying to change popular youth educational programs.
Not to mention the profitable postsecondary models.