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Horizon · S46 E18

How Many People Can Live on Planet Earth?

2009-12-09

Naturalist Sir David Attenborough investigates whether the world faces a population crisis and if it is the duty of individuals to change the way they live.

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Season 46 Episodes

  • E1Why Are Thin People Not Fat?
  • E2Cannabis: The Evil Weed?
  • E3Why Do We Dream?
  • E4Can We Make a Star on Earth?
  • E5The Secret Life of Your Bodyclock
  • E6What's the Problem with Nudity?
  • E7How to Survive a Disaster
  • E8Who Do You Want Your Child to Be?
  • E9Why Can't We Predict Earthquakes?
  • E10Alan and Marcus Go Forth and Multiply
  • E11How Violent Are You?
  • E12Do I Drink Too Much?
  • E13The Secret You
  • E14Fix Me
  • E15Who's Afraid of a Big Black Hole?
  • E16Why Do We Talk?
  • E17How Long is a Piece of String?
  • E18How Many People Can Live on Planet Earth?