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学习统计
CEFR 等级
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[Music]
how do we create a future in which both
people and nature can thrive
this is the biggest question of our
times
in the next few decades
we need to do something unprecedented
achieve a sustainable existence on earth
but how do we do it
we can start by understanding how we got
to this point
twenty thousand years ago
humankind consisted of less than a
million hunter-gatherers across the
globe
we lived within the resources on offer
in balance with nature
a strategy that could theoretically last
forever
but it wasn't an easy life
[Music]
nature determined our survival
we used our unique minds to challenge
that reality
we learned how to tame the wild
get more from the environment
our population boomed
as did our demands
every time a new problem arose
we solved it altering earth's entire
surface in the process
and now we have changed the world so
profoundly scientists have decided that
earth has entered a new phase of its
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