sing or swim

i liked the concept that the birth of new species
may be equivalent to places in the aboriginal songlines
and if evolution moves in leaps rather than linear progression
if cold and dry weather was what made our frontal lobes grow
and if this is what is likely to happen when the gulf stream changes
will we see another leap in human evolution?
maybe this will push us toward
this well needed change rather than devour us
i still don't think it's going to be easy
but maybe humanity will still find grace

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if the ice caps formed via salination (fifty-degree below)
it could be done again and
that would also give us more drinking water
somebody must have looked into that