It is not a doomsday scenario. It will be simply a different world, and people will get used to it (well, at least, they will have no other option). Our problem

It is not a doomsday scenario. It will be simply a different world, and people will get used to it (well, at least, they will have no other option). Our problems of today aren't very happy either, and if you told someone in 1950 how the world will look in 2009, he would call it insane and doomsday scenario too :)