This seems implausible, because fictional Green utopias are almost always technical civilizations.

Not my downvote either, but I'm really shocked... it's simply not okay to quote fictional worlds as evidence. Sure there's lots of evidence that technology can help the environment, but fiction isn't it.

Not okay.

ETA: Whoah, okay, not only did I misunderstand what "this" referred to, but at least four other people instantly didn't:

"The utopian fiction produced by a community is valid evidence regarding the ideals of that community."

Gladly, I was shocked only by own ignorance!