!The Tech faction are [[Series/DoctorWho Timelords]]
Why else do they seem to get younger with each population class? They must be reborn every time they go up a class!

!Anno 2070 share the same universe with {{Waterworld}}
Everybody leave America and go to Indonesia, due to the rich amount of natural resource there. The lack of advanced technology in {{Waterworld}} is because everybody took it away.