Honestly I love the direction you are going with this. I agree with you about the abundance especially if the people in this world have culturally shifted so that most things do get shared. And I do think that in a real life transition we would definitely see a lot of people scavenging and recycling stuff and relying on each other for daily needs.

I also think it would be cool to see how much of nature we can use to enhance existing technology or maybe even create a whole new tech tree that is run with mutual relationships with different organisms. Like there was a group of scientist that found bacteria that produce concrete when exposed to water and another group that is working on a chemical computers. What if we reinforce buildings by planting trees that grew around them, worked with some animals to build stuff that benefits both them and us at the same time, or used organic computing (maybe using slime molds) to do complex, long term, calculations without the need for electricity and it being much less fragile.

The thing is that for what I’m describing it wouldn’t be something that we fully realize in our generation but I do think it would lead to a society that could sustain itself indefinitely if we chose to live below the regeneration rate for the material or organisms we chose.

Edit: I was thinking about this only because I watched some stuff by Ronald wright and it has stuck quite a bit. specifically this if you are interested: https://youtu.be/S1ypWcqnojM (tried invidious but didn’t work)

Edit2: Also there are a few things I disagree with like his views on population control and his belief on the reliance of governments for change but his analysis is spot on.

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