Could an Industrial Civilization Have Predated Humans on Earth? “Geological processes such as tectonic plate subduction and glaciation could easily erase evidence of ancient urbanization.” But global carbon signatures on the other hand…
Advertise here with Carbon Ads
This site is made possible by member support. ❤️
Big thanks to Arcustech for hosting the site and offering amazing tech support.
When you buy through links on kottke.org, I may earn an affiliate commission. Thanks for supporting the site!
kottke.org. home of fine hypertext products since 1998.
Stay Connected