Editing List of science fiction themes (section)

==Habitats==

[[File:The City and the Stars - The city of Diaspar.jpg|thumb|right|200px|A domed city]]
*[[Artificial planet|Artificial world]]s
*[[Zoo hypothesis|Alien Zoo]]—a zoo where humans are kept as exhibits
*[[Arcology|Arcologies]]—enormous habitats (hyperstructures) of extremely high human population density
*[[Cyberspace]]—the new, virtual territory of societal interaction
*[[Domed city]]
*[[Floating city (science fiction)|Floating city]]
*[[Future of the Earth]]
**[[Climate fiction|Climate change]]—science fiction dealing with effects of anthropogenic [[climate change]] and [[global warming]] at the end of the [[Holocene]] era
*[[Megacity]]
*[[Pastoral science fiction]]—science fiction set in rural, bucolic, or agrarian worlds, either on Earth or on Earth-like planets, in which advanced technologies are downplayed.
*[[Seasteading]] and [[ocean colonization]]
**[[Pirate utopia]]
*[[Reality Television]]
*[[Space colonization]]
**[[Colonization of the Moon]]
**[[Ecumenopolis]]
**[[Pantropy]]
**[[Planets in science fiction|Other planets]]
***[[Desert planet]]
****[[Mars in fiction|Mars]]
**[[Terraforming|Terraformed planets]]
*[[Space stations and habitats in fiction|Space stations and habitats]]
*[[Underground city]]