Global crisis 'to strike by 2030' (Christine McGourty)

  March 19, 2009 (BBC) -- Growing world population will cause a "perfect storm" of food, energy and water shortages by 2030, the UK government chief scientist has warned.

  By 2030 the demand for resources will create a crisis with dire consequences, Prof John Beddington said.

  Demand for food and energy will jump 50 percent by 2030 and for fresh water by 30 percent, as the population tops 8.3 billion, he told a conference in London.

  Climate change will exacerbate matters in unpredictable ways, he added.

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