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24/04/2009

Tim Harford examines how the arithmetic behind sustainable energy adds up, asks whether putting in 100 per cent effort is enough and declares a dictatorship in an attempt to explain the national debt.

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30 minutes

Last on

Sun 26 Apr 200920:00
BBC Radio 4

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17/04/2009

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  • Fri 24 Apr 200913:30
    BBC Radio 4
  • Sun 26 Apr 200920:00
    BBC Radio 4

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