it's a very good point, i think most estimates of long term sustainable
population size are around 2 billion tops. population size is a crisis in
itself.
if that is case how do we contract to that population? it's a very murky
area. some seem to believe ina Gaia'esque view that over-population will
bring about disease, famine and so on which will regulate the population and
return it to a 'safe' level.
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