Including oceans, only some 3-4% of the earths surcafe is habitable.
Of course, it all depends on how you define "habitable". If you say "permanent self-supporting settlements without massive terraforming" you exclude beduins, inuits and Las Vegas
Of course, it all depends on how you define "habitable". If you say "permanent self-supporting settlements without massive terraforming" you exclude beduins, inuits and Las Vegas
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