Outcast - mini futuristic tv-series idea

Year 2842, world is in ecological ruins,
humankind strive enclosed in huge domes for hundreds of years.
They evolve for and with them self, closed out of the rest of the world.
Many domes parish by there own mistakes and does not survive.
Each dome has its own culture and style, evolved and history forgotten.
For example one centered over Venedig cultivated and gone total steampunk,
at the borders of norway and sweden one dome revert to pagan and nature.
Every dome speciallity very unique part from everything else, about 5 left in the world.
The few scattered domes around the globe now started to stretch out
of there comfort zone, there curiosity takes overhand,
they are going to conquer the unknown, outside there domes.
The series will follow the most prominent of the domes inhabitants,
as they venture outside and meet the outcast.
The forgotten survivors living a mad max world.
Story of survival, heroism, forgiveness and war,
todays struggle set in the future,
in the style of Gene Roddenberry.