Yes I think that’s it. The US is already reasonably optimized. This changes elsewhere. Like for example Somaliland has some pretty obvious spots for new cities. Thai islands. Greek Cyclades. Indonesia has many sports. I will likely do one of these series, but for new states!
With respect, I think that any world view that would wish to increase the human population further represents a profound misunderstanding of human nature, based largely on religious thinking. That we still imagine that humans are the only living things with intrinsic value is a residue of beliefs that we were made "in God's image", and were imbued with divine souls...and are thus separate from and superior to the natural world. Despite an intellectual acceptance of 'evolution', we haven't yet g…