1st...What to do with polution??
- Polution is caused by the production of many shields (as seen in the city status screen. To avoid polution build mass transit and recycling center. If you are using a power plant for your factory of mfg plant be sure you have a hydro plant. If you have polution on one of your city tiles (black "clouds") than use a settles to remove it.
2nd..Where can i see i wich am i despotism/monarchy/republik...
- Advisors menu, intelligence advisor. He will give an overview of you and your enemies: amount of money, number of units, goverment type (democratic, monarchy etc.)
3rd...Are railroads good?
- They are very good, put them on every tile! They increase trade and thus will provide you with more money.
4th..SS spacestation?? u cant build 'city' in space or what?
- There are 6 differetn parts for the SS: Structural, you will need lots of these. Ccomponent, fuel and propulsion, of both you will build 10 I believe. Last there are modules, habitation, life support and solar panels, of these 3 you have to build 4 each. When you complete such a part it is automatically launched and you will see what your spaceship looks like. There is a box then which shows you what the chances are it will arrive at alpha centauri and how long it will take.
Hope these answers helped. Be sure to get the manual at the main site, most of these questions could be answered with this manual.