15.12.2009 - Are rare earth minerals too costly for environment?
From Pbs.org: Without rare earth, Copenhagen means nothing. You buy a Prius hybrid car and think you're saving the planet. But each motor contains a kilo of neodymium and each battery more than 10 kilos of lanthanum, rare earth elements from China. Green campaigners love wind turbines, but the permanent magnets used to manufacture a 3-megawatt turbine contain some two tons of rare earth.....................................Full Article: Source
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