Until we're living in a post-scarcity world with Star Trek replicators, and the ability to produce significantly more nearly 100% clean energy than could ever b

Until we're living in a post-scarcity world with Star Trek replicators, and the ability to produce significantly more nearly 100% clean energy than could ever be consumed, everywhere on the planet where humans typically live I don't see how it's possible. Those would be the most basic limiting factors I can think of off the top of my head, and there are probably significantly more.