"Horizon" How Many People Can Live on Planet Earth? altyazı (363158)

"Horizon" How Many People Can Live on Planet Earth?
(2009)

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This is the Earth, our planet.

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Home to millions
of different species.

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But only one species
dominates everything.

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Human beings.

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There are nearly seven billion of us
living on the Earth.

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And the human population
is increasing by more than
two people every second.

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200,000 people every day.

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Nearly 80 million people every year.

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Each additional life
needs food, energy, water, shelter

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and hopefully a whole lot more.

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Today we're living in an era

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in which the biggest threat to
human wellbeing, to other species,

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and to the Earth as we know it,
might well be ourselves.

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The issue of population size
is always controversial

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because it touches on the most
personal decisions we make.

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But we ignore it at our peril.

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There's absolutely no doubt at all
that the world's population
will continue to grow.

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The only question is by how much.

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More than a billion people
on the planet already lack access
to safe, clean drinking water.

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And we know things are going to
get more difficult as the population
continues to grow.

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We need to double the amount of
food that we have available to us