that is a very heavy thought, Fille. it might make lemons sour, u know? <img src="/ubbthreads/images/graemlins/tongue.gif" alt="" /> <img src="/ubbthreads/images/graemlins/biggrin.gif" alt="" /> u must have watched some films/documentaries or read some books/other reading materials to come up with that subject or must have thought of this for quite some time now.
as for humanity crowding the earth, well ultimately it's our choice to re-produce, restrain reproduction & regulate reproduction. hence birth control. war. genocide. deaths in so many ways but always in big numbers; humanity in its own ways will thin itself out somehow. but your worries is how it can be done reliably & efficiently? such way i know is only through force. one can look at China's one-child policy plus the traditional view of gender preference (wanting sons but not daughters).
[color:"pink"] And in today’s societies the focus and goal is on accretion/growth in economy, “life quality” (comfort), etc. What is the threshold in that? How should things be?
Do we still obey to some Natural Selection? And is it a good thing? At what point should medicine stop intervene to heal, improve/save/give lives? Where are we going as specie? [/color]
balance. i can't (not yet) tell u how to achieve the balance & with what (at least humanity & nature) as i don't know enough & have yet to think it through.