> Or, how do we change things to acommodate 100 billion people or more. I
> its possible to accommodate 100s of billions perhaps trillions of people
> earth (with the help of future tech), but I dont know exactly how, can
> direct me to some place on the web?
I don't know of a web site worth reading on this topic - the few I've found are dominated by people who don't understand the technology they are talking about. However, I can probably outline the proposed solutions for any specific problem you are curious about.
Billy Brown, MCSE+I