Why sustainable power is unsustainable - tech - 06 February 2009 - New Scientist

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Why sustainable power is unsustainable - tech - 06 February 2009 - New Scientist

New Scientist presents an article that reminds us of the non-renewable side of renewable resources. For example, although solar energy is free, the materials to make solar cells are in limited supply. As a result, any plan to increase dependence on renewable resources must take into account their non-renewable nature.