Snarkhunter
Prince
The last 2 being solutions to our energy problems and oil dependence that failed due to fear.
Give me controlled fusion any day--if it's good enough for the Sun, it's good enough for me


As for Orion--since we can't have it in Civ3--yes, you'd have to build it in orbit. Or launch it from Antarctica. Or, perhaps, assemble it on the Moon, with lunar factories supplying most of the parts. Anorthosite runs 6% titanium, more than most earth sources; bound to be useful for something. . . .
kk